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3 ustclsputaxonomy
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2. OBJECTIVES:
- engage participants to activities that would develop their
background about Botany, especially Plant Taxonomy;
- appreciate plants economic importance; and
- develop camaraderie among the participants.
3. 4. PLANT TAXONOMY
- science that finds, describes, classifies, identifies and name
plants
- Two goals are identification and classification of plants
Plant identificationis the determination of the identity of an
unknown plant.Plant classificationis the placing of known plants
into groups 5.
- Linnaean taxonomic systemby
Taxonomy
MAJOR TAXONOMIC LEVELS plantae magnoliophyta magnoliopsida
rosales rosaceae rosa 6. CHARACTERISTICS OF PLANTS
- alternative generations in life cycle
- have a cell wall made of cellulose
7.
- possess tissues specialized for internal transport ofwater
Division Bryophyta
- include liverworts and mosses
- lack water-conducting tissues
- have rhizoids, stemlike and leaflike structures
- flattened, lobed bodies and represent a small fraction of
bryophyte species
8.
9. 10. 11.
- stem like structure with radially arrange leaf like
structure
Examples of Moss 12. 13.
Division Psilophyta
- has branched stem and lacks true roots and leaves
- stem is green and carries photosynthesis
- Example of this is whisk fern
14. EXAMPLE OF WHISK FERN 15.
- Division Sphenophyta: horsetail
- Division Lycophyta: club mosses
Examples 16. Division Pterophyta: ferns
- have roots and leaves or stem
- low- lying but some are tall
Examples 17. Division cycadophyta: cycads
- sister group to all other living seed plants
- stout and woodytrunk with acrown of large, hard and
stiff,evergreen leaves
Examples 18. Division Coniferophyta: conifers
- trees or shrubs that bear their seeds in cones
- Some conifers are the oldest plants on earth.
- have either needles or scale-like leaves.
- Most abundant gymnosperms today.
Examples 19. Division Gnetophyta: woody plants
- have different vessel elements
- mostlywoody climbersin tropical forests
Examples 20. 21. MEMBERS: RAFAEL BUNGUALAN JR. FATIMA AGUILAR
MELANIE BRION CLARICE JENN MALTO JETT ELAINE VENTURA