1. Family: Poaceae Barnhart
    1. Chasmopodium Stapf

      1. This genus is accepted, and its native range is Tropical Africa.

    [GB]

    nonem

    Habit
    Annual. Culms 200-300-400 cm long; with prop roots. Lateral branches ample. Ligule a fringe of hairs.
    Inflorescences
    Inflorescence composed of racemes. Racemes single. Rhachis fragile at the nodes; semiterete. Rhachis internodes cuneate. Rhachis internode tip transverse; crateriform. Spikelets in pairs. Fertile spikelets sessile; 1 in the cluster. Companion sterile spikelets pedicelled; 1 in the cluster. Pedicels cuneate; tip rectangular.
    Spikelets
    Companion sterile spikelets well-developed; separately deciduous. Companion sterile spikelet glumes muticous. Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong (1), or ovate (1); dorsally compressed; 6-6.5-7 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus pubescent; base truncate; with central peg; attached transversely.
    Sterile
    Companion sterile spikelets well-developed; separately deciduous. Companion sterile spikelet glumes muticous.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong (1), or ovate (1); dorsally compressed; 6-6.5-7 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus pubescent; base truncate; with central peg; attached transversely.
    Glume
    Glumes reaching apex of florets; firmer than fertile lemma. Lower glume oblong (1), or ovate (1); coriaceous; 2-keeled; winged on keel; 20-35 -veined. Lower glume intercarinal veins obscure (1), or distinct (1). Lower glume apex entire, or dentate; 2 -fid; obtuse. Upper glume oblong (1), or ovate (1); coriaceous; 1-keeled; winged on keel; 7-9 -veined. Upper glume apex obtuse.
    Florets
    Basal sterile florets male; with palea. Lemma of lower sterile floret oblong (1), or ovate (1); hyaline; 3 -veined. Fertile lemma oblong (1), or ovate (1); hyaline; without keel; 3 -veined. Lemma apex obtuse. Palea hyaline; 2 -veined.
    Distribution
    Africa.

    Images

    Distribution

    Native to:

    Angola, Benin, Burkina, Cameroon, Central African Repu, Chad, Congo, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Liberia, Mali, Niger, Nigeria, Senegal, Sierra Leone, Sudan, Togo, Zaïre

    Chasmopodium Stapf appears in other Kew resources:

    First published in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 9: 76 (1917)

    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.

    Literature

    Flora of West Tropical Africa
    • in F.T.A. 9: 76 (1917).

    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