Cultivars of JapanesePlants at BrooksideGardens

Since 1977 Brookside Gardens, a publiclysupported botanical garden within theMontgomery County, Maryland, park sys-tem, has maintained a special collectionsprogram to introduce into cultivation orna-mental plants (primarily woody) not in gen-eral cultivation in this country. Plants that

appear to be well-suited for the area are

grown at the county’s Pope Farm Nursery insufficient quantity for planting in publicareas, and others intended for wider cultiva-tion are tested and evaluated in cooperationwith nurseries and public gardens through-out the United States. Information on the

plants is kept in the county’s computer sys-tem, by means of a program designed underthe guidance of Carl Hahn, chief of horticul-ture. The collections are maintained andevaluated under the supervision of thecurator, Philip Normandy.To date more than 1000 different plants

have been acquired, mainly from Japan butalso from Korea, England, and Holland. TheJapanese collection includes both wild andcultivated plants, and the English and Dutchcontain mostly hard-to-find species and cul-tivars from specialty nurseries. Many of theplants were collected by the authors, and

Torreya nucifera ’Gold Strike’

Barry R. Yingerand Carl R. Hahn

some were ordered from commercialnurseries.

Cultivar Names of Japanese Plants

One of the persistent problems with thecollections has been the accurate naming ofJapanese cultivars. In our efforts to assigncultivar names that are in agreement withboth the rules and recommendations of theInternational Code of Nomenclature forCultivated Plants, 1980, we encounteredseveral problems. The most obvious waslanguage, as virtually all printed referencesto these plants are in Japanese. However, amore serious difficulty was trying to deter-mine which Japanese names satisfied theCode and which, regardless of how com-monly they are used, had to be set aside. Inresolving these difficulties, we arrived atwhat we believe will serve as ground rulesfor assigning English names to Japaneseplants being introduced into the UnitedStates.

First, most Japanese cultivar names can bedivided into two broad categories: metaphor-ical and literally descriptive. The first group iseasy to deal with on our terms because thenames correspond to Western "fancy"names or cultivar names. They are com-monly written in Chinese characters (ratherthan Japanese phonetic symbols, known as

4

kana and do not incorporate the Japanesecolloquial names of the plants. These namesare usually allusions to ornamental featuresof the plants. For example: Akebono("dawn"), Shishigashira ("lion’s mane"/, andAmanogawa ("Milky Way"/. Such namesare characteristic of plants that have beencultivated and selected for a long time, oftencenturies, particularly those included inwhat is known as koten engei, the cultiva-tion of "classical plants." Bearing thesemetaphorical names are such popular groupsas Japanese maples, Japanese flowering cher-ries, Japanese apricots, Japanese pines, mostazaleas, and many others. We believe thesenames ought to be preserved and used.

In the second group the name usually con-sists of a descriptive prefix added to theJapanese colloquial name of the plant. Sev-eral prefixes appear again and again; themost common include the following:

(describing plant habit)shidare, penduloushime, diminutive, dwarfyatsubusa, congested, of slow growth

(descnbmg leaf characteristics)fuin, variegated (shirofu, white-variegated;

kiifu, yellow-variegated)murasaki, purple

(describing flower and fruit characteristics)issai, flowenng or fruiting as a young plantyaezaki, double flowersshikizaki, everbloommgakabana and bembana, red, pink, scarlet, or

orange flowers; shirobana, white flowers;kibana, yellow flowers)

shmoml, white fruit (akami, red fruit)

Names such as these are often written in

Japanese phonetic symbols and usuallyprefix the name of the species; thus shidare

("weeping") ego-no-ki (the Japanese namefor Styrax japonicus refers to a clone ofStyrax ~aponicus with pendulous branches.We believe that such names are contrary torecommendations within article 31A of theCode (sections g and /, which discourageboth the use of names that refer to an attri-bute likely to become common in a group ofrelated cultivars and the use of names that

incorporate the common names of plants.Several of these names are used in Japan formore than one cultivar, causing confusion.For instance, several distinct variegated cul-tivars of Ginkgo biloba are marketed underthe name fuiri icho. Many names of this typeare also in Western literature as cultivar

names, but we hope that they will be re-jected in favor of names that are more pre-cise and comply with the Code.

Occasionally a name surfaces that cannotbe slipped easily into either of the categoriesabove. For instance, in several Japanesenames for selected variants the fu from fuiri("variegated") has been attached to otherwords to form combinations that are more

precise than fuiri itself; thus arare ("hail")plus fu becomes ararefu, "hail-spot" variega-tion, and so on. These names can, we be-lieve, be accepted as cultivar names, albeitoccasionally with some reservations. Thetest must be whether a person familiar withboth the language and the plants can say thatthe use of the name is not likely to causeconfusion as other cultivars emerge.

Descriptions

The following is a list of cultivars ofJapanese plants with descriptions, which webelieve will serve to distinguish each plantfrom the most similar existing cultivar ofthe same species. The reader should consult

standard references (such as Jisaburo Ohwi’sFlora of Japan for complete descriptions ofthe species. Leaf measurements have beengiven only where they differ from those ofthe species.Most of the selections described here have

variegated foliage, a reflection of the Japaneseinterest in variegation. Historically, far moreselections of variegated plants have beenproduced in Japan than in any other country.Nearly every plant cultivated by theJapanese has been grown at some time in atleast one variegated form, and some species,such as Ardisia ~aponica, are represented byscores of variegated cultivars. A complexsystem for the classification and enumera-tion of variegated leaf types has developedsimultaneously.The Japanese interest in variegated plants

remains strong today but does not approachwhat it was in the 18th and 19th centuries,when collecting these plants seems to havebeen almost a national preoccupation. Thethree-volume Somoku Kihin Kagami, pub-lished in 1827, described over 500 variegatedselections, which had been chosen by apanel of 90 hobbyists and illustrated by fa-mous artists. This was followed in 1829 bythe five-volume Somoku Kinyoshu, whichpictured over 1000 cultivars in the sameformat. These plants, as well as thoseselected for showy flowers were (and stillare) grown in pots and admired individuallyrather than as part of a garden landscape.Most of these plants have been cultivated atBrookside Gardens for three years or more,and most have been observed in cultivationin Japan in several seasons as well.

Aucuba japonica Thunb. ’Sun Dance’. Newcultivar name, assigned by Barry R. Yinger.Yinger Collection No. 267.

The leaves of this cultivar are dark green,with a distinct central splash of pale yellow.They are 14 to 18 cm long, 5 to 5.5 cm wide,deeply toothed on the margin, and oftensomewhat twisted. The leaf stalks are greenor yellow and reddish at the base on newshoots. Young stems are clearly striped withgreen and yellow. This is the best and moststable of the cultivars with central variega-tion ; it has no extraneous spots or flecks ofcolor to mar the effect. ’Sun Dance’ is illus-trated (p. 62) but not named or described inFuiri Shokubutsu (Variegated Plants) byMasato Yokoi and Yoshimichi Hirose (1978). ( .Several specialty nurseries m Japan, includ-ing Garden Wako, in Yamamoto, supply thisplant, which they call Nakafu Ao-ki, mean-ing "central variegated Aucuba. "

In the Dutch publication Dendroflora (no.15/16, 1979), reference is made to a plantnamed Aucuba japonica ’Nabaku’, de-scribed as having a conspicuously largeblotch in the middle of the leaf with small

yellow dots here and there. We believe theepithet ’Nabaku’ is a misspelling of"Nakafu," a name that has been applied toseveral cultivars ofAucuba japonica with

Aucuba japonica ’Sun Dance’

6

central leaf variegation. ’Sun Dance’ seemsto be distinct from the cultivar described in

Dendroflora, however.

Carpinus japonica B1. ’Ebi Odori’. New cul-tivar name, assigned by Barry R. Yinger.Yinger Collection No. 1417.This selection is like the species, except

that the showy catkins are borne in profu-sion on small plants. It is an attractive andtough plant that can be grown indoors or ona patio and has almost year-round interest.The cultivar name means "dancing shrimp"in Japanese, an allusion to the shrimplikecatkins, which move in the breeze and per-sist after leaf fall. This selection reportedlycomes true from seed. It is described and il-lustrated in the Nihon Kaki catalogue(spring 1981, p. 21 as Issai Kana-shide,meaning "early-blooming Carpinus." It isproduced and sold as a bonsai subject bymany nurseries, including Nihon Kaki inAngyo.

Cephalotaxus harringtonia (Knight) K. Koch’Korean Gold’. New cultivar name, assignedby Barry R. Yinger. Yinger Collection Nos.428 and 1424.

This plant is identical to C. harringtonia’Fastigiata’, except that new growth is yel-low in spring, becomes chartreuse by mid-summer, and green by winter. A selection ofa Korean species cultivated in Japan, it hasbeen confused with C. harringtonia ’Fas-tigiata Aurea’ (listed by den Ouden andBoom) but can be distinguished by its newgrowth, which is entirely yellow, in contrastto that of C. h. ’Fastigiata Aurea’, which isyellow only on the margins of the needles.The name has been derived from the

Japanese name for this plant: Ogon ChosenMaki or "golden Korean Podocarpus. " Thisselection is sold under the Japanese commonname by several nurseries, includingShibamichi Kanjiro, in Angyo.

Cornus kousa Hance ’Gold Star’. Cultivarname assigned by the Sakata Nursery Com-pany. Yinger Collection No. 660.On this plant the leaves are dark green,

with an irregular central blotch of deepbutter-yellow covering one-third of the leafarea. On new growth the blotch is char-treuse. The form of the plant and flowercharacters are typical of the species. Thisvigorous cultivar is at its best in full sun andbeautiful m all seasons. It was introduced bythe Sakata Nursery Company, Yokohama,about 1977 and is illustrated and describedin the company’s spring 1978 catalogue(p. 19). Wayside Gardens, Hodges, SC 29695,also lists and illustrates this cultivar in its1983 catalogue (p. 3). ).

Cornus kousa Hance’Snowboy’. Cultivarname assigned by the Sakata Nursery Com-pany. Yinger Collection No. 661.The leaves of this selection are pale gray-

green, with a regular white margin, 2 to 5mm wide, which occasionally invades thecenter of the leaf. Splashes of yellow-green,or small areas of paler gray-green along theedge of areas of darker gray-green, occur in-frequently. Axillary tufts of hair are absenton the leaf undersurfaces. The leaf apices areoften reddish, as well as the leaf bases onnew shoots and young twigs. Flowers andhabit are typical of the species. This plantsunburns in late summer in our climate un-

less grown under high shade or on the north

7

Cornus kousa ’Gold Star’

side of a building. It was introduced about1977 by the Sakata Nursery Company ofYokohama and described and illustrated inits spring 1978 catalogue (p. 19).

Deutzia crenata Sieb. & Zucc. ’Summer

Snow’. New cultivar name assigned by CarlR. Hahn. Yinger Collection No. 1378.This cultivar has medium yellow-green

leaves, some with scattered markings ofpure white and gray-green. It is supplied by anumber of specialty nurseries, includingGarden Wako, in Yamamoto, as Fuiri Utsugi("variegated Deutz~"). In the Shibamichi

Kanjiro Company catalogue of April 1979(p. 24), it is listed as D. crenata var. var-iegata, a name that is not legitimate.

Eriobotrya japonica /Thunb.~ Lindl.’Yukige’. New cultivar name, assigned byBarry R. Yinger. Yinger Collection No. 1959.Often irregular in outline, the leaves of

this plant are somewhat puckered and vari-ously patterned in green, gray green, andpure white. The margin is usually white,with irregular blotches of white and gray in-vading the center of the leaf.This plant is propagated and sold by sev-

8

eral specialty nurseries, including theShibamichi Kanjiro Company, Angyo, underthe name Fuiri Bi wa ("variegated Erio-botrya "/. ’Yukige’ is Japanese for "meltingsnow." "

Euonymus fortunei (Turcz.) Hand.-Mazz.var. vegeta (Rehd.) Rehd. ’Duet’. New cul-tivar name, assigned by Barry R. Yinger.Yinger Collection No. 1452.

This variegated cultivar is of recent origin,with leaves 5 cm long and 3 to 3.5 cm wide,medium green, and irregularly splashed andstreaked with creamy white. Young leaveshave longitudinal streaks and splashes ofpure white, with some small areas of yellowgreen; however, some leaves are entirelywhite. Young stems are often streaked withwhite. The plant is shrublike, with a spread-ing habit. It is grown by the Suzuki Nursery,Akayama, Angyo.

Euonymus fortunei (Turcz.) Hand.-Mazz. var.radicans (Miq.) Rehd. ’Harlequin’. New cul-tivar name, assigned by Barry R. Yinger.Yinger Collection No. 1453.

This is a new variegated cultivar withleaves 1.5 to 3 cm long and 1.5 to 2 cm wide,medium green, usually with a narrow mar-gm of pure white and profuse speckles ofpure white and light yellow-green. A fewshoots are all white. Young stems are greenor occasionally striped or banded with purewhite. This plant is trailing and prostrate inhabit. It has been grown by the SuzukiNursery, Akayama, Angyo.

Euonymus sieboldiana Bl. ’Shimoyo’. Newcultivar name, assigned by Barry R. Yinger.This selection has green leaves, some-

times of irregular shape (though usually

ovate~, and 7 cm long and 3 cm wide. Occa-sionally they are elongated to 11 cm longand I cm wide. The margins are irregular,with blotches of white or gray white break-

ing up into small blotches and speckles orgradually darkening to green in the center ofthe leaf. This plant is vigorous and stable. Itis listed in the Shibamichi Kanjiro Com-pany catalogue of April 1979 (p. 28) as FuiriMayumi ("variegated Euonymus").’Shiyomo’ is Japanese for "frosty night." "

Eurya japonica Thunb. ’Confetti’. New cul-tivar name assigned by Philip Normandy.Yinger Collection No. 769.The leaves of this cultivar are 3 to 5 cm

long and 1.5 to 2 cm wide. Many are green,while others are white, blotched white, paleyellow, or shell pink and distorted and ir-regular in outline. Several specialty nurs-eries, including Garden Wako, Yamamoto,supply this cultivar.

Eurya ~aponica Thunb. ’Harmony’. Newcultivar name, assigned by Barry R. Yinger.Yinger Collection No. 719.

All leaves of this cultivar are somewhat

distorted, usually narrow and elongated, 3 to4 cm long and 0.5 to 1 cm wide. They aredark green with a pale pink or white irregu-lar margin, which sometimes invades thecenter of the leaf in streaks or wedges. Thisis a dwarf and slow-growing plant. It issupplied by several nurseries, including theShibamichi Kanjiro Company, Angyo.

Forsythia koreana Nakai ’Bandal’. New cul-tivar name, assigned by Barry R. Yinger.Yinger Collection No. 1662.New leaves of this cultivar emerge green,

and about half have a broad irregular margin

9

Eurya ~apomca ’Harmony’

of pale yellow, which soon becomes creamywhite. The margined leaves are green in thecenter, with small irregular splashes ofwhite and pale gray-green. Some leaves andshoots are entirely creamy white, and a few

leaves are not margined but have irregularsectoral wedges of all of these colors. ’Ban-dal’ is distinct from ’Ilgwang’, in the color ofemerging leaves and in the ultimate creamywhite color of variegated portions, but issold in Japan under the same name: Fuiri

10

Rengyo. It is grown by several nurseries, in-cluding the Shibamichi Kanjiro Company,Angyo. ’Bandal’ is Korean for "half moon." "

Like ’Ilgwang’, it is most successful in ashaded position. Even greater care in propa-gation must be taken with this cultivar thanwith ’Ilgwang’, as ’Bandal’ tends to revert,and solid green plants can easily result.

Forsythia koreana Nakai ’Ilgwang’. Newcultivar name, assigned by Barry R. Yinger.Yinger Collection No. 1676.

All leaves of this cultivar emerge yellowgreen in spring, ultimately becoming char-treuse ; many bear a central blotch of darker

green. Average leaf size is 5 cm long and 2cm wide. This is a selection of a Korean

species cultivated in Japan. It is sold by sev-eral nurseries, including Kairyo En in Angyo,as Fuiri Rengyo ("variegated Forsythia").’Ilgwang’ is Korean for "sunlight." Thisplant requires light shade to avoid sunburn.Care must be exercised in propagating itin order to avoid confusion between it

and ’Bandal’. Cuttings must be taken onlyfrom shoots showing a minimum of centralblotching.

Ilex serrata Thunb. ’Koshobai’. Yinger Col-lection No. 1931.This cultivar bears leaves that are small

and long-pointed, about 3 cm long and 0.7 7cm wide. In new growth they are purple atthe tips. The flowers and fruit are tiny, about2 mm wide, and very abundantly producedon this pistillate plant. The fruit is red andvery persistent. The plant is slow-growingand twiggy and congested in habit. It is apopular choice in bonsai but also a finedwarf garden shrub. It is listed in the fall1979 catalogue of Nihon Kaki, Angyo (p. 29),with an illustration and description. The

Japanese cultivar name means "plum ofyouth. "

Jasminum nudiflorum Lindl. ’Mystique’.New cultivar name, assigned by Carl R.Hahn. Yinger Collection No. 1691.The leaves of this selection are trifoliolate,

although sometimes reduced to one or twoleaflets, and occasionally somewhat dis-torted. Leaf margins are pure white, thecolor sometimes invading the center of theleaf, where it may be accompanied by palegray blotches. The green twigs often havethin white stripes along the ridges of thestem. The flowers are typical of the species.This is a stable and attractive plant sold byGarden Wako, in Yamamoto, as Fuiri Obai("variegated fasminum ").

Juniperus conferta Parl. ’Akebono’. Cultivarname assigned by Nihon Kaki. Yinger Col-lection No. 1925.New growth on this cultivar, which is

produced at the tips of branches, is creamywhite with green flecks, becoming green inlate summer. It is illustrated and describedin the spring 1982 catalogue (p. 3) of theNihon Kaki Nursery. ’Akebono’ is Japanesefor "dawn." "

juniperus conferta Parl. ’Silver Mist’. Newcultivar name, assigned by Carl R. Hahn.Yinger Collection No. 1954.This selection is similar to ’Blue Pacific’.

It can be distinguished by its distinctlygrayer tone and shorter needles, which givethe plant a denser and tighter appearance.The leaves of ’Silver Mist’ average about 1cm long, while those of ’Blue Pacific’ average

Opposite: Ilex serrata ’Koshobai’

11 I

12

13

Neolitsea sericea ’Kanoko’

1.5 cm. ’Silver Mist’ is sold by manyJapanese nursenes as Shiro Tosho ("whitejuniperus con ferta"~. It is illustrated and de-scribed in the fall 1979 catalogue (p. 18) ofthe Nihon Kaki Nursery.

Laurus nobilis L. ’Sunspot’. New cultivarname, assigned by Barry R. Yinger. YingerCollection No. 1890.Some of the leaves of this plant are en-

tirely yellow, but most are green and gener-ously mottled with pale yellow and small

Opposite: Laurus nobilis ’Sunspot’

blotches of gray green. Occasionally, shootsare also entirely yellow. The Kiraku EnNursery, in Mito, Ibaraki, supplies thisplant.

Neolitsea sericea (Bl.) Koidz.’Kanoko’. Newcultivar name, assigned by Barry R. Yinger.Yinger Collection No. 1892.The leaves of this selection are green, var-

iegated with specks, blotches, and broad ir-regular longitudinal stripes and wedges ofcreamy white, accompamed by smallblotches of yellow green. The leaves aresometimes slightly distorted. This is themost attractive and stable of several similarselections. It is propagated and sold by the

14

15

Kiraku En Nursery, Mito, Ibaraki. ’Kanoko’ isJapanese for "fawn." "

Osmanthus x fortunei Carr. ’Equinox’. Cul-tivar name assigned by Barry R. Yinger.Ymger Collection No. 1957.Green leaves are characteristic of this

plant, although many have a creamy whitevariegation. A sectoral pattern is mostcommon, with the leaves divided in half

longitudinally, one section being green andthe other white. Some leaves and shoots are

entirely white, while others are entirelygreen. The variegation is chartreuse onyoung growth. The plant is sold by severalnurseries, including Shibamichi KanjiroCompany, Angyo, as Fuiri Hliragi-mokuse1("variegated Osmanthus x fortunei"~.

Osmanthus heterophyllus (G. Don) P. S.Green ’Akebono’. Yinger Collection No.830.

New growth, stems, and leaves of this cul-tivar are entirely light yellow, lighter thanin ’Ogon’, above. Leaves become green bysummer, retaining an indistinct yellow-green margin; second-year leaves are en-tirely green. Leaves bear 8 to 13 spmes,which are rarely recurved. This plant isgrown and propagated by Garden Wako,Yamamoto. ’Akebono’ is Japanese for "dawn."

"

Osmanthus heterophyllus (G. Don) P. S.Green ’Goshiki’. Yinger Collection No. 699.The leaves of this cultivar are evenly cov-

ered with flecks and small blotches of

creamy white, dark green, gray green, andyellow green and have a pink cast when un-

Opposite : Osman th us x fortunei ’Equinox’

Osmanthus heterophyllus ’Kembu’

folding. Creamy white patterns predominateon young leaves, becoming less prominentas the leaves age. Each leaf bears 7 to 9

spines of uniform size. This plant is illus-trated and described in the spring 1980

catalogue (p. 34) of the Nihon Kaki Nursery.’Goshiki’ is Japanese for "five colors."

"

Osmanthus heterophyllus (G. Don) P. S.Green ’Kembu’. New cultivar name, as-

signed by Barry R. Yinger. YingerCollection No. 1644.The leaves of this cultivar are narrow,

4 to 5 cm long and I to 2 cm wide. Most arecrescent shaped or of irregular outline, with1 to 10 spines per leaf. Their color is

medium-green, with an irregular off-whitemargin. The plant is sold by Suzuki Nursery,Akayama, Angyo. ’Kembu’ means "sworddance" in Japanese.

Osmanthus heterophyllus (G. Don/ P. S.Green’Ogon’. Yinger Collection No. 1450.New shoots (both stems and leaves) of this

selection are uniformly bright yellow,gradually becoming chartreuse by midsum-mer and green by winter. Second-year leavesare a normal dark green. Each leaf bears 12 to

16

14 long spines not of uniform length. Theseare usually alternately upcurved anddowncurved, with a strongly downcurvedterminal spine reminiscent of Ilex cornuta.This clone is illustrated and described in the

spring 1979 catalogue of the Sakata NurseryCompany (p. 34). ’Ogon’ means "yellowgold" in Japanese.

Osmanthus heterophyllus (G. Don~ P. S.Green ’Sasaba’. Cultivar name assigned byYoshimichi Hirose. Yinger Collection No.715.

The leaves of this very distinctive cultivarare dark green, with 8 to 13 spine-tipped

Osmanthus heterophyllus ’Sasaba’

lobes, which are cut to the midrib and clus-tered so that each leaf resembles a tuft ofsmall bamboo leaves. Leaf stalks are purplebeneath. The veins are light green. This is anopen plant of upright growth, with inter-nodes varying in length from 3 mm to 6 cmand producing dense clusters of leaves at var-ious points on the branches. It is sold bySuzuki Nursery, Akayama, Angyo. ’Sasaba’is Japanese for "bamboo leaf." "

Photinia glabra (Thunb./ Maxim.’Parfait’New cultivar name, assigned by Barry R.Yinger. Yinger Collection No. 1956.The dark green leaves of this plant have a

17 7

dark pink margin, with some marbling andsectoral variegation. These markings oftenfade to pale pink or white. This is a very sta-ble selection. It is illustrated and describedin the spring 1979 catalogue (p. 2) of theSakata Nursery Company as FuiriKaname-mochi /"variegatedPhotinia"/.

Pieris japonica (Thunb.) D. Don ’Whitewa-ter’. New cultivar name, assigned by BarryR. Yinger. Yinger Collection No. 234.This is a plant with a spreading habit, with

lax descending branches bearing ascendingbranchlets. Leaves are narrow, 6 to 7 cm longand I to 1.7 cm wide. Flowers and buds are

pure white and abundantly produced inpanicles 8 to 11 cm long. New growth isgreen. This selection was collected as a wild

seedling by Barry R. Yinger in January 1977,on a mountain slope below Hana-no-ego,Yakushima, Japan, at an altitude of approx-imately 5000 feet.

Stauntonia hexaphylla Decne. ’Cartwheel’.New cultivar name, assigned by Carl R.Hahn. Yinger Collection No. 1373.On this plant the youngest leaves on each

shoot have irregular white blotches andprominent green veins running throughout,and a pink cast when unfolding. Some leavesare distorted or have a strongly undulatemargin. Most become green with age. Thisplant is particularly showy in spring, whenthe new shoots contrast with the greenleaves of the previous year. It is sold byNakamura Nursery, Nagoya.

Styrax japonica Sieb. & Zucc. ’Carillon’.New cultivar name, assigned by Carl R.Hahn. Yinger Collection No. 326.

Piems 7aponica ’Whitewater’

The flowers and foliage of this selectionare typical of the species. However, thebranches are lax and pendulous, forming alarge mounded shrub about 7 feet tall. Theplant can easily be induced to form a smalltree by staking a leading branch until the de-sired height is reached. It is sold by a numberof nurseries, including Shibamichi KanjiroCompany, Angyo, as Shidare Ego-no-ki("weeping Styrax"). ( .

Styrax japonica Sieb. & Zucc. ’PinkChimes’. New cultivar name, assigned byCarl R. Hahn. Yinger Collection No. 834.The leaves and flowers of this selection

are typical of the species except that theflowers are pale pink, shading to darker pinkat the base of the petals. Branches of youngplants are lax and nearly pendulous, becom-ing less so as the plant ages. The plant is ex-tremely floriferous even when young. It wasintroduced about 1976 by the ShibamichiKanjiro Company, Angyo, as BenibanaEgo-no-ki ("pink-flowered Styrax"/, and it isillustrated and described in the fall 1979

catalogue (cover and page 1) of the NihonKaki Nursery as Benibana Issai Ego("early-flowering pink Styrax"). ( .

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Torreya nucifera (L.) Sieb. & Zucc. ’GoldStrike’. New cultivar name, assigned by CarlR. Hahn. Yinger Collection No. 427.Most shoots on this cultivar are either

bright yellow entirely or have both green andyellow needles scattered on the same shoot;some needles are striped green and yellow.The stems of young variegated shoots areyellow. The plant is not stable in coloration,but usually about half the shoots are varie-gated. It is grown and sold by Kiraku EnNursery, Mito, Ibaraki, as Fuiri Kaya ~"var-iegated Torreya").

Wisteria floribunda (Willd.) DC.’MonNishiki’. Yinger Collection No. 277.The emerging leaves of this selection are

liberally speckled in creamy white and someyellow green, often having a slightly puck-ered surface and an undulate margin. Leavesproduced later in the season are usuallygreen and typical of the species. The purpleflowers also are typical of the species and areproduced with the new leaves. The plant isillustrated and described in the spring 1982catalogue (p. 44) of the Kairyo En Nursery,Angyo. ’Mon Nishiki’ is Japanese for"brocade cloth." The plant is sold under thename ’Nishiki’ ("brocade"), too.

Zelkova serrata (Thunb.) Mak. ’Green Veil’.New cultivar name, assigned by Carl R.Hahn. Yinger Collection No. 835.This cultivar is characteristic of the

species, except that the branches are at firstslightly ascending and then strongly pendu-lous, forming a gracefully weeping, narrowtree without staking. It is an old selectionproduced by several nurseries, includingShibamichi Kanjiro, Angyo, as ShidareKeaki ~"weepingZelkova"/.

Authors’ Note:

The authors will try to honor requests for moreinformation about these plants and will bepleased to receive additional information as well.At present, time and money do not permit thedepth of research that would answer all questionsthat might be raised, but we will try to addressquestions as they arise. It is our intention to de-posit specimens and documentation of publishedcultivars with the United States National Ar-boretum in Washmgton, D.C., as the plants con-tinue to develop. Correspondence should be sentto Carl R. Hahn, Maryland-National Capital Parkand Planning Commission, 8787 Georgia Ave-nue, Silver Spring, MD 20907. (Please note thatthe Arnold Arboretum cannot supply these plantsor information regarding them.) (The authors wish to express their sincere

thanks to Dr. Frederick G. Meyer and Dr. Theo-dore Dudley, United States National Arboretum;Mr. Philip Normandy, Brookside Gardens; andMs. Gennie Potter, Maryland-National CapitalPark and Planning Commission, for their kindand invaluable assistance in prepanng the manu-

script.

References

Books and Periodicals

Bailey, Liberty Hyde, and Ethel Zoe Bailey 1976 Hor-tus Thzzd ~ A Conczse Dzcuonary of Plants Culu-vated in the United States and Canada Revisedand Expanded by the Staff of the Liberty HydeBailey Hortonum. New York: Macmillan.

Bean, W. J 1970-1980. Trees and Shrubs Hardy In theBnush Isles 4 vols London: John Murray.

den Ouden, P., and B. K. Boom. 1978. Manual of Cultz-vated Conzfers The Hague, Netherlands: Mar-tmus Nr~hoff.

Grootendorst, Herman J. 1979. "TentoonstellingHerfstweelde’78."Dendroflora, 15 and 16:50-56.(In Dutch/.

Hrllier, H. G. 1972. Hillzer’s Manual of Trees and dShrubs. Newton Abbot, England: David andCharles.

International Commission for the Nomenclature ofCultivated Plants of the International Umon ofBiological Science. 1980. lnternauonal Code ofNomenclature for Cultivated Plants: 1980, C. D.Bnckell, Chairman, Editorial Committee.

19

Utrecht, Netherlands: Bohn, Scheltema andHolkema.

Kmtaro. 1827. Somoku Kihin Kagami 3 vols. Repnntedm Facsimile m 1976 Tokyo: Seiseido (InJapanese~.

Krussmann, G. 1976-78. Handbuch der Laubgeholze,2nd ed., rev. 3 vols. Berlin: Verlag Paul Parey (InGerman).

Lee, Tchang Bok 1979. Illustrated Flora of KoreaSeoul, Korea: Hyang Mun Sa (In Korean) (

Mizuno, Tada-aki 1829. Somoku Kmyoshu 7 vols. Re-printed m facsimile m 1977. Tokyo: Seiseido (InJapanese)

Ohm, Jisaburo. 19G5. Flora of /apan Edited by Fred-erick G. Meyer and Egbert H. Walker. Washing-ton, D.C.: Smithsoman Institution.

Tsukamoto, Yotaro, et al. 1977. Explanauon Volume toAccompany 1977 Facsimile Reprmt of SomokuKmyoshu Tokyo, Japan Seiseido (In Japanese/.

. 1976 Explanation Volume to Accompany 1976Facsimile Repnnt of Somoku Kihin Kagami. To-kyo : Seiseido. (In Japanese).

Yokoi, Masato, and Yoshimtchi Hirose. 1978. FmnShokubutsu. Tokyo: Seibundo Shmkosha. (InJapanese).

Catalogues (in Japanese unless otherwise noted)

Chugai Nursery Company, Kanagawa Prefecture,Isehara-shi. Catalogue No 11 I

Fuy En, Osaka, Takarazuka. Fall 1973, spnng 1978/apanese Trees and Shrubs for Your Garden, by Barry R.

Yinger. Catalogue prepared for the Shibamichi Kan-~rro Company Limited, m 1981. (In English).

Kairyo En, Saitama Prefecture, Kawaguchi-shi, OjiKamito. Spnng 1966; fall 1970, spring 1972, fall 1972,spnng 1973, fall 1973, spnng 1974, fall 1974, fall1975, spring 1977, fall 1977, spring 1978, fall 1978,fall 1979, fall 1980, spnng 1981, spnng 1982.

Nagoya Engei, Nagoya, Naka-ku. Catalogue No. 11 (fall1978).

Nihon Kaki, Saitama Prefecture, Kawaguchi-shi,Ishigami. Fall 1973, spnng 1974, fall 1979, spnng1980, spring 1981, fall 1981, spnng 1982. _

Sakata Nursery Company, Yokohama, Mmami-ku,Nagada-cho Spnng 1978, fall 1978, spnng 1979,spnng 1981, fall 1981.

Shibamichi Kan~iro Company Limited, Saitama Prefec-ture, Kawaguchi-shi, Akayama. Commercialcatalogue 1976-77. Trees and Shrubs for Your Gar-den April 1979. /Latter m English).

Shunko En, Tokyo, Itabashi. Spnng 1972, fall 1972,spnng 1979

Sosei En, Hyogo Prefecture, Takarazuka Fall 1976,spnng 1977, fall 1979

Wayside Gardens, Hodges, SC 29695. Spnng 1983. (InEnglish). Yokohama Nursery Company, Yokohama,21~5 Nakamura. 1911-12. (In English).

Carl R. Hahn is chief of horuculture at Maryland-National Capital Park and Planmng Commission,Silver Sprmg, Maryland

Barry R. Ymger is curator of the Asian Collecuons atthe Umted States National Arboretum