1. Family: Poaceae Barnhart
    1. Genus: Urochloa P.Beauv.
      1. Urochloa comata (Hochst. ex A.Rich.) Sosef

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

    [FWTA]

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

    Habit
    Slender annual about 60 cm. high.
    [GB]
    Habit
    Annual; caespitose. Culms geniculately ascending; 10-50 cm long. Ligule a fringe of hairs. Leaf-blades lanceolate; 1-6 cm long; 3-8 mm wide.
    Inflorescences
    Inflorescence composed of racemes. Racemes 5-15; borne along a central axis; unilateral; 0.5-3 cm long. Central inflorescence axis 3-10 cm long. Rhachis wingless; angular. Spikelet packing adaxial; regular; 1-2 -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; 1.5-1.7 mm long; with hairs extending 0.5 mm beyond apex; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; compressed slightly; acute; 1.5-1.7 mm long; with hairs extending 0.5 mm beyond apex; falling entire.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume orbicular; 0.33 length of spikelet; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex obtuse. Upper glume oblong; 1 length of spikelet; membranous; without keels; 5 -veined. Upper glume surface with a transverse fringe of hair. Upper glume apex acute.
    Florets
    Basal sterile florets barren; with palea. Lemma of lower sterile floret similar to upper glume; oblong; 1 length of spikelet; membranous; 5 -veined; with a transverse fringe of hair; acute. Fertile lemma elliptic; 1.5 mm long; indurate; without keel. Lemma surface granulose, or striate. Lemma margins involute. Lemma apex acute. Palea involute; indurate; without keels.
    Distribution
    Africa: east tropical.
    Reference
    Paniceae. FTEA.
    [FTEA]

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

    Habit
    Loosely tufted annual; culms 10–50 cm. high, ascending.
    Leaves
    Leaf-blades narrowly lanceolate, 1–6 cm. long, 3–8 mm. wide.
    Inflorescences
    Inflorescence of 5–15 racemes on an axis 3–10 cm. long; racemes 0.5–3 cm. long, bearing single spikelets in 1–2 neat rows on a triquetrous rhachis.
    Spikelets
    Spikelets elliptic, 1.5–1.7 mm. long, glabrous except for a prominent transverse fringe of hairs near the tip, subacute, without a stipe; lower glume 1/3 the length of the spikelet; upper lemma granulose to striate, acute.
    Habitat
    Roadsides and weedy places; 1700–2300 m.
    Distribution
    known only from Tanzania T4 T7
    [FZ]

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

    Habit
    Annual.
    Culms
    Culms 10–60 cm. high, decumbent or ascending.
    Inflorescences
    Inflorescence of 3–20 racemes, these 0.5–3 cm. long, subsecund, bearing single or paired spikelets in 1–2 irregular rows on a triquetrous rhachis, sometimes with a few short branchlets at base of longer racemes.
    Spikelets
    Spikelets 1.5–2 mm. long, glabrous or pubescent, obtuse or acute.
    Glume
    Inferior glume 1/3 length of spikelet.
    Inferior
    Inferior glume 1/3 length of spikelet.
    Lemma
    Superior lemma granulose to striate, acute.
    Superior
    Superior lemma granulose to striate, acute.
    [FTEA]

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

    Habit
    Decumbent or ascending annual; culms 10–60 cm. high.
    Leaves
    Leaf-blades lanceolate, 1–10 cm. long, 2–10 mm. wide, the margins cartilaginous.
    Inflorescences
    Inflorescence of 3–20 racemes on an axis 1–7 cm. long; racemes 0.5–3 cm. long, subsecund, bearing single or paired spikelets in 1–2 irregular rows on a triquetrous rhachis, sometimes with a few short branchlets at base of longer racemes.
    Spikelets
    Spikelets elliptic, 1.5–2 mm. long, glabrous or pubescent, obtuse to acute, without a stipe; lower glume 1/3 the length of the spikelet; upper lemma granulose to striate, acute.
    Habitat
    Roadsides and weedy places; 900–2400 m.
    Distribution
    Zaire and Ethiopia to Zimbabwe K3 K6 T1 T2 T4 T7 T8 U1 U2 U3 U4
    [GB]
    Habit
    Annual. Culms geniculately ascending, or decumbent; 10-60 cm long. Ligule a fringe of hairs. Leaf-blades lanceolate; 1-10 cm long; 2-10 mm wide. Leaf-blade margins cartilaginous.
    Inflorescences
    Inflorescence composed of racemes. Racemes 3-20; borne along a central axis; unilateral; 0.5-3 cm long. Central inflorescence axis 1-7 cm long. Rhachis wingless; angular. Spikelet packing adaxial; irregular; 1-2 -rowed. Spikelets solitary, or in pairs. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; compressed slightly; obtuse, or acute; 1.5-2 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; compressed slightly; obtuse, or acute; 1.5-2 mm long; falling entire.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume orbicular; 0.33 length of spikelet; membranous; without keels; 3 -veined. Lower glume apex obtuse. Upper glume ovate; 1 length of spikelet; membranous; without keels; 5 -veined. Upper glume surface glabrous, or pubescent. Upper glume apex obtuse.
    Florets
    Basal sterile florets male; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 5 -veined; glabrous, or pubescent; obtuse. Fertile lemma elliptic; 1.5-2 mm long; indurate; without keel. Lemma surface granulose, or striate. Lemma margins involute. Lemma apex acute. Palea involute; indurate; without keels.
    Distribution
    Africa: west-central tropical, northeast tropical, east tropical, and southern tropical. Asia-temperate: Arabia.
    Reference
    Paniceae. FTEA.
    [FTEA]

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

    Habit
    Loosely tufted annual, the culms often weak and procumbent or geniculately ascending; culms 20–100 cm. high.
    Leaves
    Leaf-blades narrowly lanceolate, 1–15 cm. long, 3–15 mm. wide, the margins cartilaginous.
    Inflorescences
    Inflorescence of 6–15 racemes on an axis 5–20 cm. long; racemes 1–10 cm. long with ± pubescent triquetrous rhachis, the spikelets borne on short secondary branchlets or in dense fascicles, these copious so that the inflorescence resembles a panicle.
    Spikelets
    Spikelets elliptic, 1.5–2.5 mm. long, glabrous or more often pubescent, sometimes with a transverse fringe of hairs up to 1 mm. long near the tip, obtuse or acute, without a stipe; lower glume 1/3–1/2(–3/4) the length of the spikelet; upper lemma striate or granulose, acute.
    Figures
    Fig. 140.
    Habitat
    Deciduous bushland and in weedy places; 600–2000 m.
    Distribution
    K3 K6 T1 T4 U1 U2 U3 U4 Nigeria and Zaire to EthiopiaYemen
    [GB]
    Habit
    Annual; caespitose. Culms decumbent, or rambling; weak; 20-100 cm long. Ligule a fringe of hairs. Leaf-blades lanceolate; 1-15 cm long; 3-15 mm wide. Leaf-blade margins cartilaginous.
    Inflorescences
    Inflorescence composed of racemes. Racemes 6-15; borne along a central axis; unilateral; 1-10 cm long; secondarily branched; secondary branches racemulose, or glomerate. Central inflorescence axis 5-20 cm long. Rhachis wingless; angular; pubescent on surface. Spikelet packing adaxial; irregular. Spikelets solitary, or in pairs. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; compressed slightly; obtuse, or subacute, or acute; 1.5-2.5 mm long; with hairs extending 0-0.5 mm beyond apex; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; compressed slightly; obtuse, or subacute, or acute; 1.5-2.5 mm long; with hairs extending 0-0.5 mm beyond apex; falling entire.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 0.33-0.5(-0.75) length of spikelet; membranous; without keels; 3-5 -veined. Lower glume apex acute, or acuminate. Upper glume oblong; 1 length of spikelet; membranous; without keels; 5 -veined. Upper glume surface glabrous, or pubescent; without hair tufts, or with a transverse fringe of hair. Upper glume apex acute.
    Florets
    Basal sterile florets male, or barren; with palea. Lemma of lower sterile floret similar to upper glume; oblong; 1 length of spikelet; membranous; 5 -veined; glabrous, or pubescent; without hair tufts, or with a transverse fringe of hair; acute. Fertile lemma elliptic; 1.5-2.5 mm long; indurate; without keel. Lemma surface granulose, or striate. Lemma margins involute. Lemma apex acute. Palea involute; indurate; without keels.
    Distribution
    Africa: west tropical, west-central tropical, northeast tropical, east tropical, and southern tropical. Asia-temperate: Arabia.
    Reference
    Paniceae. FTEA.

    Images

    Distribution

    Doubtfully present in:

    Saudi Arabia

    Native to:

    Burkina, Burundi, Cabinda, Cameroon, Central African Repu, Chad, Congo, Eritrea, Ethiopia, Gabon, Kenya, Malawi, Nigeria, Rwanda, Senegal, Sudan, Tanzania, Uganda, Yemen, Zambia, Zaïre, Zimbabwe

    Urochloa comata (Hochst. ex A.Rich.) Sosef appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Schlieben, H.J. [439], Tanzania Brachiaria coronifera K000282048 isotype
    Schlieben, H.J. [768], Tanzania Brachiaria coronifera K000282047 paratype
    Schlieben, H.J. [768], Tanzania Brachiaria coronifera K000282046
    Volkens [657], Tanzania Brachiaria scalaris K000282049 isotype
    Jan 1, 1961 Boughey, A.S. [11568], Cameroon Brachiaria comata K000182468
    Maitland, T.D. [253], Uganda Brachiaria comata K000282051
    Schweinfurth, G. [1146], Ethiopia Brachiaria comata K000282198 syntype
    Schimper [1196], Ethiopia Brachiaria comata K000282199 isosyntype
    Schimper [1196], Ethiopia Brachiaria comata K000282200 isosyntype
    Schimper [1196], Ethiopia Brachiaria comata K000282201 isosyntype
    Schimper [1612], Ethiopia Brachiaria comata K000282197 Unknown type material
    Kotschy [254], Sudan Brachiaria comata K000282203 isotype
    Kotschy [254], Sudan Brachiaria comata K000282202 isotype

    First published in Fl. Gabon 5bis: 64 (1999)

    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 comata.]

    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.
    • Thiombiano, A., Schmidt, M., Dressler, S., Ouédraogo, A., Hahn, K. & Zizka, G. (2012). Catalogue des plantes vasculaires du Burkina Faso Boissiera 65: 1-391.
    • Cope, T.A., Knees, S.G. & Miller, A.G. (2007). Flora of the Arabian peninsula and Socotra 5(1): 1-387. Edinburgh University Press.
    • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.
    • 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.
    • 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.
    • Troupin, G. (ed.) (1988). Flora du Rwanda 4: I-X, 1-651. Musee Royal de l'Afrique Centrale.
    • Clayton, W.D. & Renvoize, S.A. (1982). Gramineae Flora of Tropical East Africa 3: 451-898.
    • Boulvert, Y. (1977). Catalogue de la Flore de Centrafrique 2(2): 1-94. ORSTOM, Bangui.
    • 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 2019. 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 2019. 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