Redfieldia

Vasey
Treatment appears in FNA Volume 25. Treatment on page 41.
Revision as of 17:58, 11 May 2021 by imported>Volume Importer
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Plants perennial; with extensive, often deep, horizontal or vertical rhizomes. Culms 50-130 cm, erect, bases usually buried and rooting at the nodes. Leaves cauline; sheaths shorter than the internodes, open, ribbed; ligules membranous, ciliate; auricles absent; blades loosely involute, sometimes scabridulous, apices attenuate. Inflorescences terminal, conical to oblong panicles, open to diffuse, exceeding the upper leaves; branches slender, widely spreading. Pedicels longer than the spikelets, capillary, flexible. Spikelets ovate to obovate, olive-green to brownish, with (1)2-6 florets; sterile florets distal to the bisexual florets; disarticulation above the glumes and below the florets. Glumes unequal, usually exceeded by the florets, glabrous, acute; lower glumes 1-veined; upper glumes 1- or 3-veined; calluses with a tuft of soft hairs; lemmas lanceolate to falcate, glabrous or shortly pubescent, at least on the distal 2/3, 3-veined, lateral veins converging distally, apices acute to awn-tipped, entire or with 3 minute teeth; anthers 3. x = unknown.

Distribution

Colo., N.Mex., Tex., Utah, Kans., N.Dak., Nebr., Okla., S.Dak., Mont., Ill., Ariz., Wyo.

Discussion

Redfieldia is a monotypic genus that is endemic to the Flora region.

... more about "Redfieldia"
Stephan L. Hatch +
Colo. +, N.Mex. +, Tex. +, Utah +, Kans. +, N.Dak. +, Nebr. +, Okla. +, S.Dak. +, Mont. +, Ill. +, Ariz. +  and Wyo. +
reeder1976a +
Gramineae +
Redfieldia +
Poaceae tribe Cynodonteae +