BIOL 102 Lecture Notes - Lecture 23: Inflorescence, Asteraceae, Sporangium
Document Summary
Complete flower: had anther, ovary, petals, and sepals. Dioecious: have male individuals with unisexual flower or female individuals with unisexual flower. Monoecious species: have hermaphrodite individuals bearing unisexual male and female flowers. Inflorescence = head : tiny disk flowers in head, ray flowers around the. Overall effect is a single large flower. Mutualism: association between 2 organisms that benefits both. Division of plants ( #species going decreasing from left to right) Used to be magnolias and chloranthaceae btu now it is amborella. Annual : must be grown from seed each year ( mutation can change an annual to perennials) Perennials: persist in some form and regrow or reflower each year. Apical bud: tips of stems and branches where new growth takes place. General cell type: most numerous in young plants: parenchyma. Xylem: water and nutrient transport form root. Phloem: transport of carbohydrates from areas of production to rest of plant. Function as living cells: photosynthesis and storage.
