01e_Plant_terms

01e_Plant_terms - PLANTS LIFESPAN ANNUAL live < 1 yr...

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PLANTS
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LIFESPAN ANNUAL : live < 1 yr BIENNIAL : live 2 yrs PERENNIAL : live > 2 yrs
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GROWTH FORMS GRASS FORB/HERB: not woody SHRUB: woody, small SUCCULENT: stores water in tissue TREE: woody, tall
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FLOWERS Sex organ of plant From modified leaves Consists of four rings of structures 1. Sepals: protect flower bud 2. Petals: attract pollinators
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FLOWERS 3. Stamens: male – produce sperm – consist of… Anther : produces sperm and packages into pollen grains Filament : Holds anther into air to contact pollinator
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FLOWERS 4. Pistil: female – produce eggs Stigma : accepts pollen Style : hold stigma up to contact pollinator Ovary : produces eggs/ seeds
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TYPES OF FLOWERS Perfect: have functioning stamens and pistil Imperfect: have either functioning stamens or pistil
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TYPES OF PLANTS With Imperfect Flowers Dioecious: two houses (male and female flowers on separate plants) Monoecious: one house (male and female flowers on same plant) Male Plant Female Plant e.g., bursage e.g., desert broom, jojoba, sotol
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LEAVES
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LEAF PARTS Petiole Expanded Leaf Base Blade
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This note was uploaded on 08/26/2008 for the course BIO 109 taught by Professor Fiero during the Spring '08 term at Pima CC.

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01e_Plant_terms - PLANTS LIFESPAN ANNUAL live < 1 yr...

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