Difference between revisions of "Redfieldia flexuosa"
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Revision as of 19:24, 24 September 2019
Culms 50-130 cm. Ligules to 1.5 mm; blades 15-45 cm long, 2-8 mm wide. Panicles 20-50 cm long, 8-25 cm wide. Spikelets (3)5-8 mm long, 3-5 mm wide. Lower glumes 3-4 mm; upper glumes 3.5-4.5 mm; callus hairs to 1.5 mm; lemmas 4.5-6 mm, glabrous or shortly pubescent, veins glabrous, entire or with 3 minute teeth; paleas glabrous; anthers 2-3.6 mm, yellow to reddish-purple; lodicules 2, truncate. Caryopses oblong, terete. 2n = 25.
Distribution
Colo., N.Mex., Tex., Utah, Kans., N.Dak., Nebr., Okla., S.Dak., Mont., Ill., Ariz., Wyo.
Discussion
Redfieldia flexuosa grows on sandhills and dunes. It is a common and important soil binder in blowout areas. It is only fair livestock forage but, because it grows in areas subject to blowout, this should not be of concern. The only Arizona collection wasmade in 1896; the Washington population was introduced for erosion control.
Selected References
None.