Difference between revisions of "Schismus arabicus"
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|common_names=Arabian schismus | |common_names=Arabian schismus | ||
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| + | |code=I | ||
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|subfamily=Poaceae subfam. Danthonioideae | |subfamily=Poaceae subfam. Danthonioideae | ||
|tribe=Poaceae tribe Danthonieae | |tribe=Poaceae tribe Danthonieae | ||
Revision as of 22:06, 27 May 2020
Plants annual. Culms (2)6-16 cm. Ligules 0.5-1.5 mm, of hairs; blades 4-6 cm long, 0.5-2 mm wide, abaxial surfaces glabrous or sparsely pubescent, adaxial surfaces sparsely to densely pubescent. Panicles (1)2-3.5 cm. Spikelets 5-7 mm. Lower glumes 4.2-6.2 mm, equaling or exceeding the distal florets; upper glumes 4-6 mm; lemmas 1.8-2.6 mm, with dense, spreading pubescence between the veins, lobes longer than wide, acute to acuminate; paleas 1.5-2.2 mm, shorter than the lemmas; anthers 0.2-0.5 mm. Caryopses 0.5-0.8 mm. 2n = 12.
Distribution
Utah, Calif., Ariz., N.Mex., Nev.
Discussion
Schismus arabicus is native to southwestern Asia, but it is now established in the southwestern United States, growing in open and disturbed sites.
Selected References
None.
Lower Taxa
None.