Difference between revisions of "Paspalum monostachyum"
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|subfamily=Poaceae subfam. Panicoideae | |subfamily=Poaceae subfam. Panicoideae | ||
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Latest revision as of 17:57, 11 May 2021
Plants perennial; rhizomatous. Culms 60-120 cm, erect; nodes glabrous. Sheaths glabrous; ligules 0.5-3 mm; blades to 50 cm long, 0.2-2(8) mm wide, involute (rarely flat), glabrous, pubescent behind the ligules. Panicles terminal, with 1-3 racemosely arranged branches; branches 5.6-23.3 cm, erect (rarely divergent), terminating in a spikelet; branch axes 0.5-1.2 mm wide, glabrous, margins scabrous to pubescent. Spikelets 2.3-3.7 mm long, 1.3-1.9 mm wide, paired, imbricate, appressed to the branch axes, elliptic to narrowly ovate, glabrous, stramineous (rarely partially purple). Lower glumes usually absent; upper glumes glabrous, 1-veined, margins entire; lower lemmas glabrous, lacking ribs over the veins, 3-veined, margins entire; upper florets stramineous. Caryopses 2-2.4 mm, yellow to golden brown. 2n = unknown.
Distribution
Fla., Tex., Miss., La.
Discussion
Paspalum monostachyum grows in sand and muck soils on coastal sand dunes, wet prairie, marshes, and disturbed habitats of the southern coastal plain from Florida to eastern Mexico.
Selected References
None.