Difference between revisions of "Themeda arguens"
Common names: Christmas grass
Synonyms: Themeda frondosa
Treatment appears in FNA Volume 25. Treatment on page 682.
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|hierarchy=Poaceae;Poaceae subfam. Panicoideae;Poaceae tribe Andropogoneae;Themeda;Themeda arguens | |hierarchy=Poaceae;Poaceae subfam. Panicoideae;Poaceae tribe Andropogoneae;Themeda;Themeda arguens | ||
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name=Themeda arguens | name=Themeda arguens | ||
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|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Linda A. Vorobik;Hana Pazdírková | ||
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|distribution=Puerto Rico;Md.;Va. | |distribution=Puerto Rico;Md.;Va. | ||
|reference=None | |reference=None | ||
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|subfamily=Poaceae subfam. Panicoideae | |subfamily=Poaceae subfam. Panicoideae | ||
|tribe=Poaceae tribe Andropogoneae | |tribe=Poaceae tribe Andropogoneae | ||
Latest revision as of 17:57, 11 May 2021
Plants annual. Culms 1-3 m, erect, or geniculate and ascending. Sheaths glabrous, not flattened at the base. False panicles 20-100 cm; sheaths subtending the rame clusters 35-40 mm, pilose, hairs papillose-based; rames 3-5 per cluster, with 2-3 heterogamous spikelets. Homogamous spikelets 8-10 mm; lower glumes glabrous, acuminate. Heterogamous sessile spikelets 9-11 mm; calluses 3-4 mm; lower glumes hispid and tuberculate-scabrous, dark brown; awns 7-9 cm; pedicellate spikelets 8-10 mm. 2n = 20.
Distribution
Puerto Rico, Md., Va.
Discussion
Themeda arguens is native to northern Australia and southeastern Asia. Reed (1964) reported finding it on ore piles in Maryland and Virginia.
Selected References
None.
Lower Taxa
None.