Bouteloua
Family: Poaceae
Bouteloua image
Sue Rutman
  • FNA
  • Gleason & Cronquist
  • Resources
J.K. Wipff. Flora of North America
Plants annual or perennial; synoecious; habit various, cespitose, stoloniferous, or rhizomatous. Culms 1-80 cm. Leaves usually mostly basal; sheaths open; ligules of hairs, membranous, or membranous and ciliate. Inflorescences terminal, panicles of 1-80 solitary, spikelike branches, exceeding the upper leaves; branches 4-50(75) mm, not woody, 1-sided, usually racemose on elongate rachises, sometimes digitate or subdigitate, with 1-130+ sessile to subsessile spikelets in 2 rows, axes terminating in a spikelet or extending beyond the base of the distal spikelet. Spikelets closely imbricate, appressed to pectinate, laterally compressed or terete, with 1-2(3) florets, lowest floret in each spikelet bisexual, distal florets staminate or sterile; disarticulation at the base of the branches or above the glumes. Glumes unequal or subequal, 1 or both glumes equaled or exceeded by the distal floret, 1-veined, acute or acuminate, sometimes shortly awned; lower glumes usually shorter than the lowest floret; lemmas of lowest florets entire, bilobed, trilobed, or 4-lobed, 3-veined, veins usually extended into 3 short awns; paleas of lowest florets 2-veined, veins sometimes excurrent; distal floret(s) staminate or sterile, varying from similar to the lowest floret in shape, size, and venation to sterile and reduced to an awn column with well-developed awns or to a flabellate scale. x = 10. Named for the brothers Claudio (1774-1842) and Esteban (1776-1813) Boutelou Agraz, Spanish botanists.
Vascular plants of NE US and adjacent Canada
Spikelets with 1 perfect fl and 1 or more sterile vestiges, articulated above the glumes, inserted in 2 rows on one side of a narrow flat rachis; glumes unequal, narrow, 1-veined, acuminate to awn-pointed; fertile lemma rounded on the back, 3-veined, the lateral veins marginal or submarginal, usually excurrent below the tip into a short awn; vestige stipitate, reduced to an empty 3-awned lemma; usually tufted, the relatively short spikes 1-many, racemose on a common axis. 40, New World.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
Species within checklist: Lista preliminar de plantas de la Laguna La Sauceda, Hermosillo, Sonora, México || << 1 - 50 taxa >>
Bouteloua alamosana
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Bouteloua americana
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Bouteloua annua
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Bouteloua aristidoides
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Bouteloua barbata
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Bouteloua bracteata
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Bouteloua breviseta
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Bouteloua burkei
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Bouteloua chasei
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Bouteloua chihuahuana
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Bouteloua chondrosioides
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Bouteloua curtipendula
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Bouteloua dactyloides
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Bouteloua dimorpha
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Bouteloua distans
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Bouteloua disticha
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Bouteloua diversispicula
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Bouteloua elata
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Bouteloua eludens
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Bouteloua erecta
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Bouteloua eriopoda
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Bouteloua eriostachya
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Bouteloua gentryi
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Bouteloua gracilis
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Bouteloua hirsuta
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Bouteloua johnstoni
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Bouteloua johnstonii
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Bouteloua juncea
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Bouteloua juncifolia
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Bouteloua karwinskii
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Bouteloua kayi
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Bouteloua longiseta
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Bouteloua media
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Bouteloua megapotamica
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Bouteloua mexicana
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Bouteloua nervata
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Bouteloua parryi
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Bouteloua pectinata
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Bouteloua pedicellata
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Bouteloua polymorpha
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Bouteloua polystachya
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Bouteloua procumbens
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Bouteloua purpurea
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Bouteloua quiriegoensis
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Bouteloua radicosa
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Bouteloua ramosa
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Bouteloua reederorum
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Bouteloua reflexa
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Bouteloua repens
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Bouteloua rigidiseta
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