BIOB38H3 Lecture Notes - Lecture 4: Einkorn Wheat, Poaceae, Umbel
Document Summary
The most important to humankind than any other family. Earliest evidence of seeds being ground into flour was in. Grotta paglicci where the hunters and gatherers were. Evidence of oat seeds on grinding stones (see photo ->) indicate oats were ground to flour, and evidence of using heat to prepare the grains. Tillering where one shoot comes from the center and tillers come out as side branches. Fibrous root many small spread out roots. Usually have inflorescence not just one flower. Superior ovary + 1 ovule + 2 styles and feathery stigmas surrounded by three stamens (male part) 2-3 green lodicules replace the petals and stamens. Stems are made of rhizome (below ground) and stolon (on top of ground: groups of grasses are all attached either by rhizomes or stolon and are genetically identical. Spike an elongate, un- branched, indeterminate inflorescence with sessile flowers. Spikelet a small spike, characteristic of grasses and sedges. Spikelet = flowering branch one floret.
