1. Family: Poaceae Barnhart
    1. Genus: Heteropholis C.E.Hubb.
      1. Heteropholis benoistii A.Camus

        This species is accepted, and its native range is Madagascar.

    [GB]
    Habit
    Perennial. Culms 35-50 cm long; 6-8 -noded. Culm-nodes glabrous. Ligule an eciliate membrane. Leaf-blades flat, or involute; 10-25 cm long; 1.5-2 mm wide. Leaf-blade margins glabrous.
    Inflorescences
    Inflorescence composed of racemes; terminal and axillary. Peduncle 5-13 cm long; widened at apex. Racemes 1; single; smoothly terete; unilateral; bearing 12-20 fertile spikelets on each. Rhachis fragile at the nodes; semiterete. Rhachis internodes cuneate. Rhachis internode tip transverse; crateriform; with simple rim. Spikelets sunken; in pairs. Fertile spikelets sessile; 1 in the cluster. Companion sterile spikelets pedicelled; 1 in the cluster. Pedicels fused to internode; united wholly; oblong; flattened; tip rectangular.
    Sterile
    Companion sterile spikelets represented by single glumes; elliptic; 2-3 mm long; shorter than fertile; persistent.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; 3-4.35 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus glabrous; base truncate; with central peg; attached transversely. Companion sterile spikelets represented by single glumes; elliptic; 2-3 mm long; shorter than fertile; persistent.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; 3-4.35 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus glabrous; base truncate; with central peg; attached transversely.
    Glume
    Glumes dissimilar; exceeding apex of florets; firmer than fertile lemma. Lower glume oblong; 1 length of spikelet; coriaceous; 2-keeled; keeled laterally; keeled obtusely; winged on keel; winged narrowly; winged near apex; 5-7 -veined. Lower glume surface areolate. Lower glume apex obtuse. Upper glume oblong; membranous; 1-keeled; keeled above. Upper glume apex acute.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret oblong; hyaline. Fertile lemma oblong; hyaline; without keel.
    Flowers
    Anthers 3; 2.1 mm long.
    Distribution
    Africa: western Indian ocean.
    Reference
    Andropogoneae. Koning.

    Distribution

    Native to:

    Madagascar

    Heteropholis benoistii A.Camus appears in other Kew resources:

    First published in Bull. Soc. Bot. France 103: 476 (1957)

    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.

    Literature

    Kew Backbone Distributions
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of 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 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