1. Family: Poaceae Barnhart
    1. Genus: Hilaria Kunth
      1. Hilaria cenchroides Kunth

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

    [GB]
    Habit
    Perennial; caespitose. Stolons present. Culms erect; 5-60 cm long. Culm-nodes bearded. Leaf-sheaths longer than adjacent culm internode; striately veined; outer margin hairy. Ligule an eciliate membrane; 1.5-2 mm long; lacerate. Leaf-blades flat, or involute; 3-10 cm long; 2-4 mm wide; stiff. Leaf-blade surface ribbed; scaberulous; rough on both sides; glabrous, or pilose. Leaf-blade margins scabrous.
    Inflorescences
    Inflorescence composed of racemes. Racemes borne along a central axis; closely spaced; in a multilateral false spike; cuneate; unilateral; 0.4-0.8 cm long; bearing a triad of spikelets. Central inflorescence axis 2-6 cm long. 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; containing empty lemmas, or male; oblong; asymmetrical; dorsally compressed; 3-5 mm long; as long as fertile; deciduous with the fertile. Companion sterile spikelet glumes united below; coriaceous; 1.5-4 mm long; 5-11 -veined; scabrous; lobed; 2 -fid; truncate, or obtuse; awned; both glumes awned; with 1-2 mm long awn. Companion sterile spikelet lemmas 2-4; exserted from glumes; muticous. Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 4-7.5 mm long; falling entire; deciduous with accessory branch structures.
    Sterile
    Companion sterile spikelets well-developed; containing empty lemmas, or male; oblong; asymmetrical; dorsally compressed; 3-5 mm long; as long as fertile; deciduous with the fertile. Companion sterile spikelet glumes united below; coriaceous; 1.5-4 mm long; 5-11 -veined; scabrous; lobed; 2 -fid; truncate, or obtuse; awned; both glumes awned; with 1-2 mm long awn. Companion sterile spikelet lemmas 2-4; exserted from glumes; muticous.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 4-7.5 mm long; falling entire; deciduous with accessory branch structures.
    Glume
    Glumes connate along margins below; shorter than spikelet; firmer than fertile lemma. Lower glume ovate; 4-5 mm long; coriaceous; black; 1-keeled; 7 -veined. Lower glume surface scabrous. Lower glume apex lobed; 2 -fid; truncate, or obtuse; awned; 1 -awned. Lower glume awn 3 mm long. Upper glume ovate; 4-5 mm long; coriaceous; black; 1-keeled; 7 -veined. Upper glume surface scabrous. Upper glume apex lobed; 2 -fid; truncate, or obtuse; awned; 1 -awned. Upper glume awn 3 mm long.
    Florets
    Fertile florets female. Fertile lemma ovate; laterally compressed; 5-6 mm long; cartilaginous; keeled; 3 -veined. Lemma apex caudate.
    Flowers
    Anthers 3; 3-3.5 mm long.
    Distribution
    North America: Mexico. South America: Mesoamericana.
    Reference
    Cynodonteae. Swallen.

    Images

    Distribution

    Native to:

    Guatemala, Mexico Central, Mexico Northeast, Mexico Southeast, Mexico Southwest

    Hilaria cenchroides Kunth appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Hinton, G.B. [13113], Michoacán K000476023
    Hinton, G.B. [13113], Michoacán K000476024
    Hinton, G.B. [4502], México State K000476025
    Hartweg [251], Mexico K000309083
    Galeotti, H.G. [5754], Mexico K000309084

    First published in F.W.H.von Humboldt, A.J.A.Bonpland & C.S.Kunth, Nov. Gen. Sp. 1: 117 (1816)

    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.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.

    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.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.

    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 2020. 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 2020. 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