1. Family: Poaceae Barnhart
    1. Heteranthelium Hochst. ex Jaub. & Spach

      1. This genus is accepted, and its native range is Turkey to Central Asia and Pakistan.

    [GB]

    nonem

    Habit
    Annual. Culms decumbent; 10-30 cm long. Leaf-sheath auricles falcate. Ligule an eciliate membrane.
    Inflorescences
    Inflorescence composed of racemes. Racemes single; oblong; bilateral. Rhachis fracturing into irregular segments. Spikelet packing broadside to rhachis. Rhachis internodes oblong; falling in segments of 1-2 fertile nodes surmounted by 1-3 nodes of sterile spikelets, these alternating along the raceme. Spikelets ascending; solitary, or in a cluster of closely packed nodes. Fertile spikelets sessile; 1-2 in the cluster. Companion sterile spikelets sessile; 1-3 in the cluster.
    Spikelets
    Companion sterile spikelets represented by awns. Spikelets comprising 1-2 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 13-15 mm long; falling entire; deciduous with accessory branch structures.
    Sterile
    Companion sterile spikelets represented by awns.
    Fertile
    Spikelets comprising 1-2 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 13-15 mm long; falling entire; deciduous with accessory branch structures.
    Glume
    Glumes exceeding apex of florets; gaping. Lower glume subulate; 1 length of upper glume. Lower glume surface pilose. Upper glume subulate. Upper glume surface pilose.
    Florets
    Fertile lemma elliptic; coriaceous; without keel; 7 -veined. Lemma surface tuberculate; villous. Lemma apex attenuate; awned; 1 -awned. Palea apex with excurrent keel veins. Apical sterile florets 2-4 in number; barren; in a clump; rudimentary. Apical sterile lemmas awned.
    Flowers
    Ovary with a fleshy appendage below style insertion; pubescent on apex.
    Fruits
    Caryopsis with adherent pericarp; ellipsoid; laterally compressed; apex fleshy. Embryo 0.25-0.33 length of caryopsis. Hilum linear; 1 length of caryopsis.
    Distribution
    Temperate Asia, or Tropical Asia.

    Images

    Distribution

    Native to:

    Afghanistan, Iran, Iraq, Kazakhstan, Kirgizstan, Lebanon-Syria, Pakistan, Palestine, Tadzhikistan, Transcaucasus, Turkey, Turkmenistan, Uzbekistan

    Heteranthelium Hochst. ex Jaub. & Spach appears in other Kew resources:

    First published in Ill. Pl. Orient. 4: 24 (1851)

    Accepted by

    • Govaerts, R.H.A. (2011). World checklist of selected plant families published update Facilitated by the Trustees of the Royal Botanic Gardens, Kew.

    Sources

    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 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