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This species is accepted, and its native range is Oklahoma to NE. & Central Mexico.

[GB]
Morphology General Habit
Perennial; caespitose; clumped densely. Culms erect; 40-80 cm long. Leaf-sheaths without keel; scaberulous. Ligule an eciliate membrane; 2-4(-9) mm long; lacerate. Leaf-blades curved; filiform; involute; 8-35 cm long; 1-2 mm wide.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; ovate; effuse; 10-20(-30) cm long; 4-10(-15) cm wide. Primary panicle branches 3-8(-10) cm long. Panicle branches stiff. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 3.5-5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent.
Fertile
Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 3.5-5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; shorter than spikelet; similar to fertile lemma in texture. Lower glume lanceolate; 1-2.5(-3) mm long; 1 length of upper glume; membranous; light brown; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex obtuse, or acute; muticous, or mucronate. Upper glume lanceolate; 1-2.5(-3) mm long; 0.3-0.5 length of adjacent fertile lemma; membranous; light brown; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume apex obtuse, or acute; muticous, or mucronate.
Morphology Reproductive morphology Flowers Florets
Fertile lemma lanceolate; 2-2.5 mm long; membranous; without keel; 3 -veined. Lemma surface smooth to scabrous. Lemma apex acute; awned; 1 -awned. Principal lemma awn 0.5-3(-6) mm long overall. Palea 0.8-0.9 length of lemma; 2 -veined.
Morphology Reproductive morphology Flowers
Lodicules 2; cuneate; fleshy. Anthers 3.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; fusiform.
Distribution
North America: north-central USA and south-central .
Reference
Eragrostideae. Gould.

Native to:

Mexico Central, Mexico Northeast, Oklahoma, Texas

Muhlenbergia reverchonii Vasey & Scribn. appears in other Kew resources:

First published in Contr. U.S. Natl. Herb. 3: 66 (1892)

Accepted by

  • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
  • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.

Literature

Kew Backbone Distributions

  • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
  • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.

GrassBase - The Online World Grass Flora
http://creativecommons.org/licenses/by-nc-sa/3.0

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0