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 3. Flowering plants are also categorized by stem type and lifespan

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PostSubject: 3. Flowering plants are also categorized by stem type and lifespan   19/04/09, 10:37 am

Herbaceous or woody stems
-wood- fibrous materials made up of dead cells that are part of the vascular system
-woody stems are made by lignin and cellulose
-non woody plants are called herbaceous plants (ex. Cucumbers, cacti, marigolds)

Three types of lifespans
-Annual- mature and die in one year (ex. Zinnias)
-Biennial- take 2 years to complete their life cycle (ex. Carrots)
-Perennial- live 2+ years (ex. Trees)
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3. Flowering plants are also categorized by stem type and lifespan
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Cross Academy :: Honors Biology :: Mrs. St. Clair :: Ch. 20- Plant Diversity :: 20.3- Diversity of Flowering Plants-
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