Lab 7 - Lab 7 - Gulf Prairies and South Texas Plains switch...

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Lab 7 - Gulf Prairies and South Texas Plains switch cane Arundinaria gigantea PNC Poaceae/Bambuseae a. culms woody, rhizomatous b. leaf blades flat on a short petiole c. spikelets large, laterally compressed d. swamp woods, moist pine barrens broadleaf woodoats Chasmanthium latifolium PNW Poaceae/Centotheceae a. six to 26 florets per spikelet, fish on a stringer b. spikelets strongly compressed, ovate to elliptic c. sheaths shorter than internodes d. no petioles bermudagrass Cynodon dactylon PIW Poaceae/Cynodonteae a. inflorescence 2 - 7 digitate branches from the same point on the rachis b. has rhizomes and stolons c. sheaths strongly overlapping d. used primarily as an introduced pasture forage marshhay cordgrass Spartina patens PNW Poaceae/Cynodonteae a. dense and coarsely tufted grass near coast, saline sites b. 2-7 comblike, panicle branches c. glumes without awn d. leaves tightly in - rolled at maturity , prairie cordgrass blades >5 mm wide rattail smutgrass Sporobolus indicus PIW Poaceae/Eragrosteae a. panicle dense - like a rat’s tail, glumes equal and shorter than lemma b. blades narrow, sharp pointed, culm flattened at base c. smut often present in the florets
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Lab 7 - Lab 7 - Gulf Prairies and South Texas Plains switch...

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