BIOL 2080 Lecture Notes - Lecture 16: Plant Reproductive Morphology, Convolvulaceae, Carotene
25 Mar 2016
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Document Summary
Looking at plants that typically have lots of storage organ. White potatoes, sweet potatoes, cassava: common starch plants that we rely on heavily. Top 25 plants that we grow include: potatoes, sweet potatoes, cassava, bananas, yams. A number of crops we grow are in this group. Important to know if it is a modified stem or modified root. Rhizomes: horizontal stems below ground, roots do come off, every once in a while, leaves produced off of them. Tubers: considered to be stem-related organs, tubers are at the ends of rhizomes, they are part of the stem, not part of the root, part of the rhizome, storage-containing parts, form tubers, white potatoes. Bulbs: stems, roots coming out at bottom, onions, fleshy leaves, paper leaves surround stem, has a fleshy feel to it. Corm: very hard, really fat, hard stem, type of stem, there are roots coming off. 1: bulb tends to be hard, bananas have corm stems.
