Bouteloua eludens Griffiths

This species is accepted, and its native range is S. Arizona to New Mexico and N. Mexico.

[GB]
Morphology General Habit
Perennial. Butt sheaths papery. Culms slender; 35-60 cm long. Leaf-sheaths outer margin glabrous, or hairy. Ligule an eciliate membrane; lacerate. Leaf-blades flat; 5-15 cm long; 1-3 mm wide.
Morphology Reproductive morphology Inflorescences
Inflorescence composed of racemes. Racemes 10-20; borne along a central axis; cuneate; unilateral; 0.7-1.1 cm long; bearing few fertile spikelets; bearing 3-5 fertile spikelets on each. Central inflorescence axis 7-10 cm long; tip subulate. Rhachis deciduous from axis; angular; terminating in a barren extension; extension subulate. Spikelet packing broadside to rhachis. Spikelets appressed; solitary. Fertile spikelets sessile.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 fertile florets; with diminished florets at the apex. Spikelets cuneate; laterally compressed; 6-7 mm long; falling entire; deciduous with accessory branch structures.
Fertile
Spikelets comprising 1 fertile florets; with diminished florets at the apex. Spikelets cuneate; laterally compressed; 6-7 mm long; falling entire; deciduous with accessory branch structures.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes similar; reaching apex of florets; thinner than fertile lemma; gaping. Lower glume lanceolate; 5-6 mm long; 0.8-0.9 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume surface pubescent. Lower glume apex acute to setaceously attenuate. Upper glume lanceolate; 6-7 mm long; 1 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume surface pubescent; hairy generally. Upper glume apex acute to setaceously attenuate.
Morphology Reproductive morphology Flowers Florets
Fertile lemma ovate; 6-7 mm long; coriaceous; keeled; 3 -veined. Lemma surface pubescent. Lemma apex lobed; 3 -fid; with linear lobes; with lobes 0.5-2 mm long; mucronate; 2 -awned (mucros). Palea surface pubescent; hairy on back; hairy above. Rhachilla extension glabrous. Apical sterile florets 1 in number; barren; oblong; 5-6 mm long. Apical sterile lemmas pubescent; lobed; 4 -fid; muticous, or awned; 3 -awned. Apical sterile lemma awns 0.5-5 mm long; ciliate (below).
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; obovoid; 5 mm long. Embryo 0.5-0.75 length of caryopsis.
Distribution
North America: southwest USA and Mexico.
Reference
Cynodonteae. Gould.

Native to:

Arizona, Mexico Northeast, Mexico Northwest, New Mexico

Bouteloua eludens Griffiths appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
Griffiths, D. [s.n.], Arizona K000885818 Unknown type material Yes
Griffiths, D. [7269], Arizona K000885819 Unknown type material Yes

First published in Contr. U.S. Natl. Herb. 14: 401 (1912)

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

  • Herbarium Catalogue Specimens

    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • Kew Backbone Distributions

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. 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 2022. 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