Schismus arabicus

Nees
Common names: Arabian schismus
Treatment appears in FNA Volume 25. Treatment on page 307.
Revision as of 02:58, 27 July 2019 by FNA>Volume Importer
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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.