1. Family: Poaceae Barnhart
    1. Genus: Hilaria Kunth
      1. Hilaria belangeri (Steud.) Nash

        This species is accepted, and its native range is Arizona to Texas and Mexico.

    [GB]
    Habit
    Perennial; caespitose. Stolons present. Culms erect; 10-30 cm long. Culm-nodes bearded. Ligule an eciliate membrane; 0.5-1 mm long; lacerate. Leaf-blades 3-20 cm long; 1-4 mm wide. Leaf-blade apex filiform.
    Inflorescences
    Inflorescence composed of racemes. Racemes 4-8; borne along a central axis; closely spaced; in a multilateral false spike; oblong; unilateral; 0.5-0.6 cm long; bearing a triad of spikelets. Central inflorescence axis 2-3.5 cm long; flattened. Rhachis obsolete; deciduous from axis. Spikelets in threes. Fertile spikelets sessile; 1 in the cluster. Companion sterile spikelets sessile; 2 in the cluster.
    Spikelets
    Companion sterile spikelets well-developed; male; flabellate; dorsally compressed; 4.5-6 mm long; longer than fertile; deciduous with the fertile. Companion sterile spikelet glumes united below; coriaceous (pallid with purple spots); 7 -veined; scabrous; glabrous; lobed (asymmetrically bilobed); truncate; awned; both glumes awned; with 1-3 mm long awn. Companion sterile spikelet lemmas 2; exserted from glumes; muticous. Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; compressed strongly; 4.5-6 mm long; falling entire; deciduous with accessory branch structures.
    Sterile
    Companion sterile spikelets well-developed; male; flabellate; dorsally compressed; 4.5-6 mm long; longer than fertile; deciduous with the fertile. Companion sterile spikelet glumes united below; coriaceous (pallid with purple spots); 7 -veined; scabrous; glabrous; lobed (asymmetrically bilobed); truncate; awned; both glumes awned; with 1-3 mm long awn. Companion sterile spikelet lemmas 2; exserted from glumes; muticous.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; compressed strongly; 4.5-6 mm long; falling entire; deciduous with accessory branch structures.
    Glume
    Glumes connate along margins below; similar; shorter than spikelet; firmer than fertile lemma. Lower glume oblong; 1.5 mm long; 0.5 length of upper glume; coriaceous; 1-keeled; 7 -veined. Lower glume apex lobed; 2 -fid; awned; 1 -awned. Lower glume awn 1-3 mm long. Upper glume oblong; 3.5 mm long; 0.6-0.8 length of adjacent fertile lemma; coriaceous; 1-keeled; 7 -veined. Upper glume apex lobed; 2 -fid; awned; 1 -awned. Upper glume awn 2-5 mm long.
    Florets
    Fertile lemma ovate; laterally compressed; 4.5-6 mm long; cartilaginous; keeled; 3 -veined. Lemma apex caudate.
    Flowers
    Anthers 3; 3-3.5 mm long.
    Distribution
    North America: southwest USA, south-central USA, and Mexico.
    Reference
    Cynodonteae. WDC.

    Images

    Distribution

    Native to:

    Arizona, Mexico Central, Mexico Northeast, Mexico Northwest, Mexico Southwest, New Mexico, Texas

    Hilaria belangeri (Steud.) Nash appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Nealley, G. C. [s.n.], Texas K000674277
    Berlandier, J. L. [1428], Texas K000674278

    First published in N.L.Britton & al. (eds.), N. Amer. Fl. 17: 135 (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.

    Sources

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

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    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 2018. 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 2018. 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