Chapter 10 : Plant Ecology

flower Cytoplasmic streaming actin. Biology of Plants 6:10 Tradescantia stamens - cytoplasmic streaming Sexual Encounters of the Floral Kind calyx=sepals > corolla (perianth) pistil=carpels. All stamens=androecium, carpels=gynoecium.
sunflower Auxin in stem & bud turn; mature flowers face east; Fibonacci sunflower
5 dark anthers, curved stigma; native Central America, monecious? Fibonacci sunflowers?
pollen_fertilization Embryo sac=egg, synergids, central cell 2 polar nuclei, antipodals
double_fertilization APPLE: inferior; ORANGE/PEPPER: superior; BANANA: pericarp; PEANUT: cotyledons.
Pistil: fused carpels. FRUIT? tomato, squash, pumpkin, eggplant, sw pepper, chile, nuts.
fruit PEANUT EMBRYO; BANANA 3, APPLE 5, ORANGE 10-13 carpels, OVARY. STRAWBERRY seeds = achenes in RECEPTACLE. How many carpels does a banana have? BBC-Life/9_Plants QH 501.L544 2010. 27:00 Alsomitra seeds have flying wings
dispersal Ants eat elaisome
growth-secondary TOILET dead heartwood, living sapwood. Cork=outer periderm. Herbaceous: vascular bundles; LIGNIN in bamboo
growth-primary Water pulled up a tree through xylem Sap flow through phloem in summer Sap flow through phloem in spring Maple xylem sap
stem Apical dominance -> bud scales; axillary -> shoot w its own buds
leaf_morphology JUGLANS NIGRA, GLEDITSIA TRIACANTHOS LEAVES; fruit.
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