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This species is accepted, and its native range is Tropical & S. Africa, Arabian Peninsula.
A specimen from Kew's Herbarium

[FZ]

Gramineae, W. D. Clayton. Flora Zambesiaca 10:3. 1989

Morphology General Habit
Perennial.
Morphology Culms
Culms 0.6–4 m. high, typically robust and 2–15 mm. in diam. at the base.
Morphology Leaves Leaf lamina
Leaf laminae (5)10–30 cm. wide, broadly linear to linear-lanceolate, often falsely petiolate.
Morphology Reproductive morphology Inflorescences
Panicles 2–4 cm. long, slender, axillary and gathered into a copious false inflorescence; rhachis with rounded ribs and distinct peduncle stumps, minutely pubescent; involucre reduced to a single bristle subtending each spikelet; bristle (2.5)7–40 mm. long, glabrous.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 2–3 mm. long.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes 0.2–0.5 mm. long, obtuse to emarginate, or rarely the superior up to 0.8 mm. long and subacute.
Morphology Reproductive morphology Inflorescences Bracts Lemma
Lemmas as long as spikelet, membranous.

[GB]
Morphology General Habit
Perennial; caespitose. Culms erect; robust; 60-400 cm long; 2-15 mm diam. Ligule a ciliate membrane. Collar glabrous, or bearded. Leaf-blade base without a false petiole, or with a false petiole. Leaf-blades linear to lanceolate; 20-60 cm long; (5-)10-30 mm wide; flaccid.
Morphology Reproductive morphology Inflorescences
Synflorescence compound; paniculate. Inflorescence a panicle; terminal and axillary. Panicle spiciform; linear; 2-4 cm long. Primary panicle branches accrescent to a central axis; with lateral stumps on axis. Panicle axis puberulous. Spikelets subtended by an involucre. Fertile spikelets sessile; 1 in the cluster. Involucre composed of bristles; base obtuse. Involucral bristles deciduous with the fertile spikelets; in one whorl; 1 in principal whorl; (2.5-)7-40 mm long; terete; flexible; glabrous.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; acute; 2-3 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus pubescent; base truncate.
Fertile
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; acute; 2-3 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus pubescent; base truncate.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes similar; shorter than spikelet; thinner than fertile lemma. Lower glume oblate; 0.2-0.5 mm long; 0.1 length of spikelet; hyaline; pallid; without keels; 0 -veined. Lower glume lateral veins absent. Lower glume apex emarginate, or truncate, or obtuse. Upper glume ovate; 0.2-0.5(-0.8) mm long; 0.1-0.2 length of spikelet; hyaline; pallid; without keels; 0 -veined. Upper glume primary vein absent. Upper glume lateral veins absent. Upper glume apex emarginate, or truncate, or obtuse.
Morphology Reproductive morphology Flowers Florets
Basal sterile florets barren; without significant palea. Lemma of lower sterile floret elliptic; 1 length of spikelet; membranous; 5 -veined; scabrous; acute. Fertile lemma elliptic; 2-3 mm long; membranous; without keel; 5 -veined. Lemma surface scaberulous. Lemma margins flat. Lemma apex obtuse.
Distribution
Africa: west tropical, west-central tropical, northeast tropical, east tropical, southern tropical, and south. Asia-temperate: Arabia. Asia-tropical: Papuasia.
Reference
Paniceae. FTEA.

[FTEA]

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

Morphology General Habit
Tufted perennial; culms typically robust, 0.6–4 m. high, 2–15 mm. diameter at base.
Morphology Leaves
Leaf-blades broadly linear to linear-lanceolate, mostly 20–60 cm. long, (5–)10–30 mm. wide, often falsely petiolate.
Morphology Reproductive morphology Inflorescences
Panicles numerous, axillary, slender, 2–4 cm. long, gathered into a copious leafy false panicle; rhachis with rounded ribs and distinct peduncle-stumps, minutely pubescent; involucre reduced to a single bristle beneath each spikelet; bristle glabrous, (2.5–)7–40 mm. long, often purplish.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets narrowly elliptic, 2–3 mm. long; glumes 0.2–0.5 mm. long, truncate, emarginate or obtuse, rarely the upper subacute and up to 0.8 mm.; lemmas as long as the spikelet, membranous, scaberulous, the lower barren.
Habitat
In deciduous bushland and wooded grassland, favouring moist or shady places; 300–2300 m.
Distribution
K1 K3 K5 T1 T3 T4 T5 T6 T7 T8 U1 U2 U3 U4 tropical and South AfricaYemen

[FSOM]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Tufted perennial; stems robust, 0.6–4 m high, 2–15 mm in diameter at the base, rarely smaller and mat-forming; leaves broadly linear to linear-lanceolate, often falsely petiolate; ligule a line of hairs
Morphology Reproductive morphology Inflorescences
Panicles numerous, axillary, slender, 2–4 cm long, gathered into a copious false panicle; rhachis with rounded ribs and distinct peduncle-stumps, minutely pubescent; involucre reduced to a single bristle below each spikelet; bristle glabrous, 2.5–9(–40) mm long, often purplish
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets narrowly elliptic, 2–3 mm long; glumes 0.2–0.5 mm long, truncate, emarginate or obtuse, rarely the upper subacute and up to 0.8 mm long; lemmas as long as the spikelet, membranous, scaberulous, the lower barren.
Distribution
N2 tropical and South Africa; Arabia
Ecology
Altitude c. 1500 m.

Native to:

Angola, Benin, Burkina, Burundi, Cameroon, Central African Repu, Chad, Congo, Eritrea, Ethiopia, Gabon, Gambia, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Kenya, KwaZulu-Natal, Liberia, Malawi, Mali, Mozambique, Niger, Nigeria, Northern Provinces, Rwanda, Saudi Arabia, Senegal, Sierra Leone, Somalia, Sudan, Tanzania, Togo, Uganda, Yemen, Zambia, Zaïre, Zimbabwe

Introduced into:

New Caledonia, New Guinea

Cenchrus unisetus (Nees) Morrone appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jun 1, 2004 Gosline, G. [281], Cameroon Pennisetum unisetum K000746250
Jun 1, 2001 Pollard, B.J. [154], Cameroon Pennisetum unisetum K000107906
Schimper [262], Ethiopia Pennisetum unisetum K000281233
Schimper [262], Ethiopia Pennisetum unisetum K000281232
Schimper [262], Ethiopia Pennisetum unisetum K000281230
Kotschy [13], Sudan Pennisetum unisetum K000281231 Unknown type material
Drège, South Africa Pennisetum unisetum K000281271 isotype
Drège, South Africa Pennisetum unisetum K000281270 isotype
Kirk, Malawi Pennisetum unisetum K000281291 holotype
Bidgood, S. [5245], Tanzania Pennisetum unisetum K000190473
Shironen, J. [244], Burkina Faso Pennisetum unisetum K000212077
Scholz [178], Burkina Faso Pennisetum unisetum K000212078
Timberlake, J. [5313], Malawi Pennisetum unisetum K000614659
Harris, T. [251], Mozambique Pennisetum unisetum K000613326
Kmoch [163], Burkina Faso Pennisetum unisetum K000212079

First published in Ann. Bot. (Oxford) 106: 130 (2010)

Accepted by

  • Govaerts, R., Nic Lughadha, E., Black, N., Turner, R. & Paton, A. (2021). The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. https://doi.org/10.1038/s41597-021-00997-6 Scientific Data 8: 215.

Literature

Kew Backbone Distributions

  • 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.
  • Brunel, J.F., Hiepo, P. & Scholz, H. (eds.) (1984). Flore Analytique du Togo Phanérogames: 1-751. GTZ, Eschborn.
  • Clayton, W.D. & Renvoize, S.A. (1982). Gramineae Flora of Tropical East Africa 3: 451-898.
  • Clayton, W.D. (1989). Flora Zambesiaca 10(3): 1-231. Royal Botanic Gardens, Kew.
  • Cope, T.A., Knees, S.G. & Miller, A.G. (2007). Flora of the Arabian peninsula and Socotra 5(1): 1-387. Edinburgh University Press.
  • 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.
  • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
  • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria.
  • Hedberg, I. & Edwards, S. (eds.) (1995). Flora of Ethiopia and Eritrea 7: 1-430. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
  • Hepper, F.N. (ed.) (1972). Flora of West Tropical Africa, ed. 2, 3(2): 277-574.
  • Jones, M. (1991). A checklist of Gambian plants: 1-33. Michael Jones, The Gambia College.
  • 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.
  • MacKee, H.S. (1994). Catalogue des plantes introduites et cultivées en Nouvelle-Calédonie, ed. 2: 1-164. Museum national d'histoire naturelle, Paris.
  • 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.
  • Robyns, W. (1934). Flore Agrostologique du Congo Belge et du Ruanda-Urundi 2: 9-386. Goemaere, Bruxelles.
  • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
  • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.
  • Thulin, M. (ed.) (1995). Flora of Somalia 4: i-ii, 1-298. The Royal Botanic Gardens, Kew.
  • Troupin, G. (ed.) (1988). Flora du Rwanda 4: I-X, 1-651. Musee Royal de l'Afrique Centrale.
  • Veldkamp, J.F. (2014). A revision of Cenchrus incl. Pennisetum (Gramineae) in Malesia with some general nomenclatural notes Blumea 59: 59-75.

Flora Zambesiaca
Flora Zambesiaca
http://creativecommons.org/licenses/by-nc-sa/3.0

Flora of Somalia
Flora of Somalia
http://creativecommons.org/licenses/by-nc-sa/3.0

Flora of Tropical East Africa
Flora of Tropical East 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