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Lesson 1.5 Broadleaf trees are trees with basic leaf shape of broad and flat Are perenials mostly dicot angiosperm

Biology lesson 1.5

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Page 1: Biology lesson 1.5

Lesson 1.5 Broadleaf trees are trees with basic leaf shape of broad and flat

Are perenials

mostly dicot angiosperm

largest in size of all plants

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AmericanSycamoreTree isAmerica’s Largest BroadleafDeciduous Tree

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California Redwood •Largest tree in world.

•General Sherman treeis the largest of them.

•Shed leaves in fall.

•Leaves are needle-like not broadleafed

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Page 5: Biology lesson 1.5

Lesson 1.5 Broadleaf trees

examples – oaks, maples, elms, etc.

also referred to as hardwoods because of their dense hard wood

mostly deciduous

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Lesson 1.5 Broadleaf trees

Deciduous vs. Evergreens

Deciduous trees loose their leaves all at once.

Ex. Oaks,Maples

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Lesson 1.5 Broadleaf trees

Deciduous vs. Evergreens

Evergreens loose their leaves a little at the time and stay green year round. Ex. pines

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Structure of Broadleaf Trees:

crown – bushy head formed by leaves at top

trunk – main stem have woody stem

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Structure of Broadleaf Treesbranches – where stem divides at top

bark – rough protective layer of stem, branches, and sometimes roots

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Flowers of Broadleaf Trees

Angiosperms – they do produce flowers

Some are decorative hardwoods = dogwood, magnolia

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Flowers of Broadleaf Trees

most have small tiny flowers or catkins which are long, droopy, tassel-like clusters of flowers