Difference between revisions of "Dichanthium aristatum"
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|subfamily=Poaceae subfam. Panicoideae | |subfamily=Poaceae subfam. Panicoideae | ||
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Revision as of 20:23, 24 September 2019
Plants perennial; stoloniferous, stolons often 2 m or longer. Culms 70-100 cm, decumbent, erect portions generally about 35 cm, pubescent beneath the inflorescences; nodes glabrous or densely short pubescent. Sheaths glabrous; ligules 1-1.3 mm; blades 6-25 cm long, 3-6 mm wide, glabrous or hispid. Rames (2)3-5(8), 4-7 cm, subdigitate, erect to divergent, bases pilose, without spikelets; internodes pilose. Sessile spikelets 4-5 mm; lower glumes more or less obovate, often involute, margins ciliate basally, keels winged distally, apices obtuse; awns 1.5-2.5 cm, twice-geniculate. Pedicellate spikelets 4-5 mm, usually staminate. 2n = 20.
Distribution
Puerto Rico, Pacific Islands (Hawaii), Fla., Tex., La.
Discussion
Dichanthium aristatum was introduced to the Americas from southern Asia. It is sometimes used as a lawn grass in Texas, Louisiana, and Florida.
Selected References
None.