1. Family: Poaceae Barnhart
    1. Genus: Chasmopodium Stapf
      1. Chasmopodium caudatum (Hack.) Stapf

        This species is accepted, and its native range is W. Tropical Africa to South Sudan and Angola.

    [FWTA]

    Gramineae, W. D. Clayton. Flora of West Tropical Africa 3:2. 1972

    Habit
    Annual savanna grass
    Note
    A considerable range of variation in both spikelet and vegetative characters.
    [GB]
    Habit
    Annual. Culms 200-400 cm long; with prop roots. Lateral branches ample. Ligule a fringe of hairs. Leaf-blades 25-50 cm long; 10-45 mm wide. Leaf-blade surface scabrous.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; smoothly terete; 5-13 cm long. Rhachis fragile at the nodes; semiterete; 3-4 mm wide; glabrous on margins, or ciliate on margins. Rhachis internodes cuneate; 5 mm long; 0.75 length of fertile spikelet. Rhachis internode tip transverse; crateriform; with simple rim. Spikelets in pairs. Fertile spikelets sessile; 1 in the cluster. Companion sterile spikelets pedicelled; 1 in the cluster. Pedicels cuneate; flattened; glabrous, or ciliate; tip rectangular.
    Sterile
    Companion sterile spikelets well-developed; male; ovate; asymmetrical; as long as fertile; separately deciduous. Companion sterile spikelet glumes coriaceous; winged on keels; muticous. Companion sterile spikelet lemmas 2; enclosed by glumes. Apical sterile spikelets male; 1 in number (10-25 mm long).
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 6-7 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus pubescent; base truncate; with central peg; attached transversely. Companion sterile spikelets well-developed; male; ovate; asymmetrical; as long as fertile; separately deciduous. Companion sterile spikelet glumes coriaceous; winged on keels; muticous. Companion sterile spikelet lemmas 2; enclosed by glumes. Apical sterile spikelets male; 1 in number (10-25 mm long).
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 6-7 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus pubescent; base truncate; with central peg; attached transversely.
    Glume
    Glumes dissimilar; reaching apex of florets; firmer than fertile lemma. Lower glume ovate; 1 length of spikelet; coriaceous; yellow; 2-keeled; keeled above; winged on keel; winged narrowly; 20-35 -veined. Lower glume intercarinal veins obscure. Lower glume apex entire, or dentate; 2 -fid; obtuse. Upper glume ovate; coriaceous; 1-keeled; keeled above; winged on keel; winged near apex; 7-9 -veined. Upper glume apex obtuse.
    Florets
    Basal sterile florets male; with palea. Lemma of lower sterile floret ovate; hyaline; 3 -veined; ciliolate on margins. Fertile lemma ovate; hyaline; without keel; 3 -veined. Lemma apex obtuse. Palea hyaline; 2 -veined.
    Distribution
    Africa: west tropical, west-central tropical, northeast tropical, and southern tropical.
    Reference
    Andropogoneae. FTA.

    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 caudatum (Hack.) Stapf appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Oct 1, 1934 Vanderyst, H. [6317] K000290835
    Oct 1, 1926 Vanderyst, H. [5383] K000290834
    Oct 1, 1926 Vanderyst, H. [5383] K000290839
    Kersting [237] K000290833 isotype

    First published in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 9: 77 (1917)

    Accepted by

    • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
    • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.
    • Lisowski, S. (2009). Flore (Angiospermes) de la République de Guinée Scripta Botanica Belgica 41: 1-517.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
    • Catarino, L., Sampaio Martins, E., Pinto-Basto, M.F. & Diniz, M.A. (2006). Plantas Vasculares e Briófitos da Guiné-Bissau: 1-298. Instituto de investigação científica tropical, Instituto Português de apoio ao desenvolvimento.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
    • Boudet, G., Lebrun, J.P. & Demange, R. (1986). Catalogue des plantes vasculaires du Mali: 1-465. Etudes d'Elevage et de Médecine Vétérinaire des Pays Tropicaux.
    • Boulvert, Y. (1977). Catalogue de la Flore de Centrafrique 2(2): 1-94. ORSTOM, Bangui.
    • Peyre de Fabregues, B. & Lebrun, J.-P. (1976). Catalogue des Plantes Vascularies du Niger: 1-433. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
    • Lebrun, J.P. (1973). Énumération des plantes vasculaires du Sénégal: 1-209. Maisons Alfort: Institut d'élevage et de médecine vétérinaire des pays tropicaux.
    • Hepper, F.N. (ed.) (1972). Flora of West Tropical Africa, ed. 2, 3(2): 277-574.
    • Lebrun, J.-P., Audru, J., Gaston, A. & Mosnier, M. (1972). Catalogue des Plantes Vasculaires du Tchad Méridional: 1-289. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
    • Robyns, W. (1929). Flore Agrostologique du Congo Belge et du Ruanda-Urundi 1: 1-229. Goemaere, Bruxelles.

    Literature

    Flora of West Tropical Africa
    • Berhaut, Fl. Sén. ed. 2, 392.
    • A. Chev. in Rev. Bot. Appliq. 13: 854
    • in F.T.A. 9: 76 (1917)
    Kew Backbone Distributions
    • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
    • Catarino, L., Sampaio Martins, E., Pinto-Basto, M.F. & Diniz, M.A. (2006). Plantas Vasculares e Briófitos da Guiné-Bissau: 1-298. Instituto de investigação científica tropical, Instituto Português de apoio ao desenvolvimento.
    • Boudet, G., Lebrun, J.P. & Demange, R. (1986). Catalogue des plantes vasculaires du Mali: 1-465. Etudes d'Elevage et de Médecine Vétérinaire des Pays Tropicaux.
    • Boulvert, Y. (1977). Catalogue de la Flore de Centrafrique 2(2): 1-94. ORSTOM, Bangui.
    • Peyre de Fabregues, B. & Lebrun, J.-P. (1976). Catalogue des Plantes Vascularies du Niger: 1-433. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
    • Lebrun, J.P. (1973). Énumération des plantes vasculaires du Sénégal: 1-209. Maisons Alfort: Institut d'élevage et de médecine vétérinaire des pays tropicaux.
    • Hepper, F.N. (ed.) (1972). Flora of West Tropical Africa, ed. 2, 3(2): 277-574.
    • Lebrun, J.-P., Audru, J., Gaston, A. & Mosnier, M. (1972). Catalogue des Plantes Vasculaires du Tchad Méridional: 1-289. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
    • Robyns, W. (1929). Flore Agrostologique du Congo Belge et du Ruanda-Urundi 1: 1-229. Goemaere, Bruxelles.

    Sources

    Flora of West Tropical Africa
    Flora of West Tropical Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    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.

    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