ENCS407 Study Guide - Quiz Guide: Bouteloua Curtipendula, Bouteloua, Rachis

• School: University of Alberta
• Department: Environmental and Conservation Sciences
• Course: ENCS407
• Professor: Lisa Raatz

Document Summary

Subfamily: chloridoideae: spikelets all on one side of the rachis except s. paniculatus, no node swelling. Bouteloua curtipendula (p n: < 10 heads, 3 awns, one short visible awn. Bouteloua eriopoda (p n) tuft of hair on pedicel of each spike: hairy internodes. Bouteloua gracilis (p n) looks like a sweeping long bladed comb leaves make one sweeping circle rachis not extending beyond spikelets. Bouteloua hirsuta (p n: spikes have terminal needle, extension of rachis beyond spikelets, spikelets with dark dense thick glands (more rugged looking than b. gracilis) leaf blades with panicoid hairs. Bouteloua dactyloides (p n) female flowers: burs , sit in axils of some leaves: males: terminal spiklets flags , green midrib on glumes, creeping stolons. Chloris cucullata (p n: digitate head (star shape, hook on back of glumes triangular spikelets flattened base (2d) Cynodon dactylon (p i: not inflated spikelets, no hooks on back of glumes, stolons, on each node on stem.