Lab 8 - Lab 8 - California Annual and Palouse Prairie...

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Lab 8 - California Annual and Palouse Prairie Grasslands slender oats Avena barbata AIC Poaceae/Aveneae a. open panicle with drooping spikelets. b. glumes 2-2.5 cm long, longer than florets, papery c. lemmas deeply split with twisted awns 3-4 cm long, red hairs on lemmas d. spikelets more slender than for Avfa wild oats Avena fatua AIC Poaceae/Aveneae a. open panicle with large drooping spikelets b. glumes 1.5-2.5 cm long, longer than florets, papery c. lemmas not split, with twisted awns 3-4 cm long, long brown or white hairs on lemmas tufted hairgrass Deschampsia caespitosa PNC Poaceae/Aveneae a. open panicle with bicolored spikelets (salt and pepper) b. lemmas toothed at apex, awns 2-6 mm long c. leaves basal, erect, root crown dense, often black, muddy base timothy Phleum pratense PIC Poaceae/Aveneae a. spike-like panicle generally exceeds 5 cm tapers at tip, longer than P. alpinum b. glumes shaped like goat head, awns 0.5-1.5 mm long, shorter than P. alpinum c. base of culm somewhat swollen and bulb-like California oatgrass Danthonia californica PNC Poaceae/Danthonieae a. Panicle spreading, usually in 3 branches b. spikelets 3-6 flowered, lemmas split, awns between split 5-10 mm beyond bend
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This note was uploaded on 11/14/2010 for the course NRM 3501 taught by Professor Wester during the Fall '09 term at Texas Tech.

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Lab 8 - Lab 8 - California Annual and Palouse Prairie...

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