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FLOWER21 - Jim Bidlack BIO 1304 GENERAL BOTANY Lecture 21...

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Jim Bidlack - BIO 1304 GENERAL BOTANY Lecture 21 - Flowering Plants (Angiosperms) – Anthophyta / Magnoliophyta I. Flower structure - composed of four whorls of modified leaves (sepals, petals, stamens, and carpels) A. Receptacle - holds it all together B. C. Male (stamens) and female (pistil / carpels) parts 1. Male (androecium) - stamen: 2. Female (gynoecium) - carpel or pistil: II. Variations in floral structure A. Completeness of flower 1. Complete flower - has all four sets of floral "leaves" 2. Incomplete flower - lacks one or more of the four sets B. Perfectness of flower 1. Perfect - has both male (staminate) and female (pistillate) parts a) If observed in whole plant, referred to as monoecious
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