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This species is accepted, and its native range is Senegal to Tanzania.
A specimen from Kew's Herbarium

[FTEA]

Gramineae, W. D. Clayton, S. M. Phillips & S. A. Renvoize. Flora of Tropical East Africa. 1974

Morphology General Habit
Tufted annual; culms 20–120 cm. high.
Morphology Leaves
Leaf-blades 5–30 cm. long, 4–10 mm. wide, folded; ligule a line of hairs.
Morphology Reproductive morphology Inflorescences
Inflorescence oblong to linear, 2–20 cm. long, the spikelets borne singly (lower glume adaxial) in 2 rows on appressed or spreading racemes 1–6 cm. long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets ovate-elliptic, 3–4 mm. long, scaberulous to spinulose, the basal callus produced into a globular wrinkled stipe 0.3–0.6 mm. long; lower floret barren, acute; upper lemma 3–4 mm. long, rostrate, its palea obtuse and reflexed.
Habitat
Swampy places; 1300 m.
Distribution
T4 Senegal to Zaire and Sudan

[GB]
Morphology General Habit
Annual; caespitose. Culms 20-120 cm long. Ligule a fringe of hairs. Leaf-blades conduplicate; 5-30 cm long; 4-10 mm wide.
Morphology Reproductive morphology Inflorescences
Inflorescence composed of racemes. Racemes borne along a central axis; spreading, or appressed; unilateral; 1-6 cm long; simple. Central inflorescence axis 2-20 cm long. Rhachis angular. Spikelet packing adaxial; regular; 2 -rowed. Spikelets solitary. Fertile spikelets sessile.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic, or ovate; dorsally compressed; gibbous; acute; 3.3-4.6 mm long; falling entire. Spikelet callus globular; incorporating lowest rhachilla internode with adnate lower glume; 0.3-0.6 mm long.
Fertile
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic, or ovate; dorsally compressed; gibbous; acute; 3.3-4.6 mm long; falling entire. Spikelet callus globular; incorporating lowest rhachilla internode with adnate lower glume; 0.3-0.6 mm long.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 0.3-0.4 length of spikelet; membranous; without keels; 3-5 -veined. Lower glume surface scabrous, or spinose. Lower glume apex obtuse. Upper glume ovate; membranous; without keels; 7 -veined. Upper glume surface scabrous, or spinose. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Basal sterile florets barren; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 7 -veined; scabrous; acute. Fertile lemma ovate; gibbous; 3-4 mm long; indurate; much thinner above; shiny; without keel; 5 -veined. Lemma margins involute. Lemma apex rostrate; laterally pinched. Palea reflexed at apex; indurate.
Morphology Reproductive morphology Flowers
Anthers 3.
Distribution
Africa: west tropical, west-central tropical, northeast tropical, and east tropical.
Reference
Paniceae. FTEA.

[FWTA]

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

Morphology General Habit
Annual with spongy culms up to 1 m. high
Ecology
Shallow pools.

Native to:

Benin, Burkina, Cameroon, Chad, Guinea, Guinea-Bissau, Ivory Coast, Mali, Niger, Nigeria, Senegal, Sierra Leone, Sudan, Tanzania, Zaïre

Echinochloa callopus (Pilg.) Clayton appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Mar 1, 1988 Schweinfurth [2151], Sudan K000282406 isotype
Mar 1, 1988 Chevalier, A. [34598], Guinea K000282396 holotype
Jul 1, 1967 Adam, J.-.G. [18136], Mali K000211895
Verdick [363], Zaïre K000282410
Kmoch [122], Burkina Faso K000211897
Roberty [2959], Mali K000211896

First published in Kew Bull. 34: 560 (1980)

Accepted by

  • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
  • 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.
  • 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. & Renvoize, S.A. (1982). Gramineae Flora of Tropical East Africa 3: 451-898.
  • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
  • 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.
  • Lisowski, S. (2009). Flore (Angiospermes) de la République de Guinée Scripta Botanica Belgica 41: 1-517.
  • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.

Literature

Kew Backbone Distributions

  • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
  • 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.
  • 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. & Renvoize, S.A. (1982). Gramineae Flora of Tropical East Africa 3: 451-898.
  • 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.
  • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.
  • 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.

Flora of Tropical East Africa

  • W.D. Clayton in Kew Bulletin 34: 560 (1980).

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

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
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 2021. 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 2021. 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