Lab 4 - Lab 4 - Plants of Northern Great Plains prairie...

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Lab 4 - Plants of Northern Great Plains prairie junegrass Koeleria macrantha PNC Poaceae/Aveneae a. midgrass with leaves mostly basal, strong veins on sheath and lower surface of blade b. panicle inflorescence usually contracted, almost spike-like c. glumes longer than first floret, 1st has 1 vein, 2nd has 3 veins d. cool season grass of open woods, sandy soil smooth brome Bromus inermis PIC Poaceae/Bromeae a. panicles 10 to 20 cm long, not conical, branches ascending b. spikelets up to 1 inch long, generally membranous at tips of lemmas , c. bifid lemma apex, awnless or with minute awns d. strongly rhizomatous perennial blades 4 to 8 mm broad, dark green, W or M imprint prairie cordgrass Spartina pectinata PNW Poaceae/Cynodonteae a. panicle of ascending 1-sided spikes, like large combs on Spartan helmet b. first glume with awn tip, spikelets are scabrous c. stout plant with creeping rhizomes, blades serrate to scabrous Kentucky bluegrass Poa pratensis PIC Poaceae/Poeae a. panicles pyramidal, open, with 5 flexuous branches at the lowest node b. 4 to 6 florets per spikelet, spikelets 3-6 mm long and nearly as wide c. blades thin 2-4 mm broad, tip is boat shaped
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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 4 - Lab 4 - Plants of Northern Great Plains prairie...

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