familyPoaceae
subfamilyPoaceae subfam. Chloridoideae
genusBouteloua
subgenusBouteloua subg. Bouteloua
speciesBouteloua curtipendula
Difference between revisions of "Bouteloua curtipendula var. caespitosa"
Treatment appears in FNA Volume 25. Treatment on page 254.
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Revision as of 20:25, 24 September 2019
Plants cespitose, often with a knotty base, not or shortly rhizomatous. Culms in large or small clumps, stiffly erect. Blades usually narrow, but at least some over 2.5 mm wide. Panicles with 12-80 branches, averaging 2-7 spikelets per branch. Glumes and lemmas bronze or stramineous to green, or various shades of purple; anthers usually yellow or orange, occasionally red or purple. 2n = 58-103.
Distribution
Okla., N.Mex., Tex., Utah, Calif., Colo., Ariz.
Discussion
Bouteloua curtipendula var. caespitosa grows on loose, sandy or rocky, well drained limestone soils at 200-2500 m in the southwestern United States, Mexico, and South America. It frequently grows, and may hybridize, with B. warnockii.
Selected References
None.
Lower Taxa
None.
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