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  1. Family: Poaceae Barnhart
    1. Genus: Urochloa P.Beauv.
      1. Urochloa xantholeuca (Hack.) H.Scholz

        This species is accepted, and its native range is Tropical & S. Africa, Arabian Peninsula.

    [FZ]

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

    Habit
    Tufted annual.
    Culms
    Culms 10–60 cm. high.
    Leaf lamina
    Leaf laminae velvety pubescent.
    Inflorescences
    Inflorescence of 2–8 racemes, these 1–7 cm. long, bearing single (rarely paired at base of longer racemes) spikelets in 2 neat rows on a triquetrous rhachis.
    Spikelets
    Spikelets 2.7–4 mm. long, hispidulous (very rarely glabrous) acute to pungently cuspidate, borne on a stipe c. 0.5 mm. long.
    Glume
    Inferior glume 1/3–1/2 length of spikelet.
    Inferior
    Inferior glume 1/3–1/2 length of spikelet.
    Lemma
    Superior lemma granulose to rugulose, subacute.
    Superior
    Superior lemma granulose to rugulose, subacute.
    [GB]
    Habit
    Annual; caespitose. Culms 20-60 cm long. Ligule a fringe of hairs. Leaf-blades linear, or lanceolate; 3-15 cm long; 4-10 mm wide. Leaf-blade surface pubescent; densely hairy; hairy on both sides.
    Inflorescences
    Inflorescence composed of racemes. Racemes 2-8; borne along a central axis; unilateral; 2-7 cm long. Central inflorescence axis 2-10 cm long. Rhachis wingless; angular. Spikelet packing adaxial; crowded; regular; 2 -rowed. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; compressed slightly; acute, or cuspidate; 2.7-4 mm long; falling entire. Rhachilla internodes elongated between glumes.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; compressed slightly; acute, or cuspidate; 2.7-4 mm long; falling entire. Rhachilla internodes elongated between glumes.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; clasping; 0.33-0.5 length of spikelet; membranous; without keels; 7 -veined. Lower glume surface hispidulous. Lower glume apex acute, or acuminate. Upper glume ovate; 1 length of spikelet; membranous; without keels; 5 -veined. Upper glume surface hispidulous. Upper glume apex cuspidate.
    Florets
    Basal sterile florets barren; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 5 -veined; hispidulous; cuspidate. Fertile lemma elliptic; 2.5-3.5 mm long; indurate; without keel. Lemma surface rugulose. Lemma margins involute. Lemma apex apiculate. Palea involute; indurate; without keels.
    Distribution
    Africa: west tropical, west-central tropical, northeast tropical, east tropical, southern tropical, and south. Asia-temperate: Arabia.
    Reference
    Paniceae. FTEA.
    [FWTA]

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

    Habit
    Annual 30–45 cm. high
    Ecology
    Growing on old farm land.
    [FTEA]

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

    Habit
    Tufted annual; culms 20–60 cm. high.
    Leaves
    Leaf-blades broadly linear to narrowly lanceolate, 3–15 cm. long, 4–10 mm. wide, velvety pubescent.
    Inflorescences
    Inflorescence of 2–8 racemes, borne on an axis 2–10 cm. long; racemes 2–7 cm. long, bearing single (rarely paired at base of longer racemes) closely contiguous spikelets in 2 neat rows on a triquetrous rhachis.
    Spikelets
    Spikelets elliptic, often plumply so, 2.7–4 mm. long, hispidulous (very rarely glabrous), acute to pungently cuspidate, with a stipe ±0.5 mm. long; lower glume 1/3–1/2 the length of the spikelet; upper glume and lower lemma membranous, 5-nerved; upper lemma rugulose, subacute.
    Habitat
    Open deciduous bushland, often in disturbed or overgrazed places, 300–1900 m.
    Distribution
    K1 K2 K4 K6 T1 T2 T3 T5 T6 T7 T8 U1 U2 U3 tropical Africa

    Images

    Distribution

    Native to:

    Angola, Benin, Botswana, Burkina, Burundi, Cameroon, Chad, Djibouti, Eritrea, Ethiopia, Gambia, Ghana, Kenya, KwaZulu-Natal, Mali, Mauritania, Mozambique, Namibia, Niger, Nigeria, Northern Provinces, Saudi Arabia, Senegal, Somalia, Sudan, Swaziland, Tanzania, Togo, Uganda, Zambia, Zaïre, Zimbabwe

    Accepted Infraspecifics

    Synonyms

    Other Data

    Urochloa xantholeuca (Hack.) H.Scholz appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1961 Chevalier, A.J.B. [3], Mali Brachiaria xantholeuca K000211821
    Jan 1, 1961 Chevalier, A.J.B. [24880], Mali Brachiaria xantholeuca K000211824
    Dinter [47a], Namibia Brachiaria xantholeuca K000281966
    Hildebrandt, J.M. [2665], Kenya Brachiaria xantholeuca K000282054 isotype
    Schinz, H. [639], Namibia Brachiaria xantholeuca K000281967 isotype
    Farrow, R.A. [30], Mali Brachiaria xantholeuca K000211818
    Farrow, R.A. [92], Mali Brachiaria xantholeuca K000211819
    Farrow, R.A. [88], Mali Brachiaria xantholeuca K000211823
    Salam, A. [9], Mali Brachiaria xantholeuca K000211820
    Diallo, D. [272], Mali Brachiaria xantholeuca K000211822

    Bibliography

    First published in Bull. Mus. Natl. Hist. Nat., B, Adansonia 11: 443 (1990)

    Not 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. [Cited as Brachiaria xantholeuca.]

    Literature

    Kew Backbone Distributions

    • 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.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Cope, T.A., Knees, S.G. & Miller, A.G. (2007). Flora of the Arabian peninsula and Socotra 5(1): 1-387. Edinburgh University Press.
    • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
    • 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.
    • Thulin, M. (ed.) (1995). Flora of Somalia 4: i-ii, 1-298. The Royal Botanic Gardens, Kew.
    • Audru, J., Cesar, J. & Lebrun, J.-P. (1993). Les Plantes Vasculaires de la République de Djibouti. Flore Illustrée 2(2): 433-968. CIRAD, Départerment d'Elevage et de Médecine vétérinaire, Djibouti.
    • Lebrun, J.P., Toutain, B., Gaston, A. & Boudet, G. (1991). Catalogue des Plantes Vasculaires du Burkina Faso: 1-341. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
    • Clayton, W.D. (1989). Flora Zambesiaca 10(3): 1-231. Royal Botanic Gardens, Kew.
    • Ndabaneze, P. (1989). Catalogue des Graminées du Burundi Lejeunia; Revue de Botanique, n.s., 132: 1-127.
    • 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.
    • 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.
    • 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.

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    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

    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.
    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 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