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  1. Family: Poaceae Barnhart
    1. Genus: Urochloa P.Beauv.
      1. Urochloa deflexa (Schumach.) H.Scholz

        This species is accepted, and its native range is Africa to Arabian Peninsula, Indian Subcontinent.

    [FTEA]

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

    Habit
    Loosely tufted annual; culms 15–70 cm. high, often weak and ascending.
    Leaves
    Leaf-blades broadly linear, 4–25 cm. long, 4–22 mm. wide.
    Inflorescences
    Inflorescence of 7–15 racemes, borne on an axis 6–15 cm. long; racemes 2–10 cm. long, often compound, bearing mostly paired distant spikelets spreading from the triquetrous rhachis, the inflorescence imitating a panicle; pedicels or some of them, longer than the spikelets, up to 15 mm. long.
    Spikelets
    Spikelets broadly elliptic, 2.5–3.5 mm. long, glabrous to pubescent, acute, with a short stipe up to 0.5 mm. long; lower glume 1/3–1/2 the length of the spikelet; upper glume and lower lemma membranous; upper lemma rugose, subacute to acute.
    Habitat
    Weedy places in deciduous bushland or margins of riverine forest, often preferring light shade; 0–1500 m.
    Distribution
    K1 K2 K4 K5 K6 K7 P T1 T2 T3 T4 T5 T6 T7 Senegal to Yemen and southwards to South Africaa few records in India
    [FWTA]

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

    Habit
    Annual up to 45 cm. high
    Inflorescences
    The inflorescence, with its distant spikelets and long pedicels, simulates a panicle, and the plant is commonly mistaken for a species of Panicum
    Ecology
    A weed of cultivated land and disturbed soils.
    [GB]
    Habit
    Annual; caespitose. Culms geniculately ascending; weak; 15-70 cm long. Ligule a fringe of hairs. Leaf-blades 4-25 cm long; 4-22 mm wide.
    Inflorescences
    Inflorescence composed of racemes. Racemes 7-15; borne along a central axis; unilateral; 2-10 cm long; simple, or secondarily branched. Central inflorescence axis 6-15 cm long. Rhachis wingless; angular. Spikelet packing adaxial; distant; irregular. Spikelets spreading; in pairs. Fertile spikelets pedicelled. Pedicels filiform; unequal; 3-15 mm long; 1.1-4 length of fertile spikelet.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; compressed slightly; acute; 2.5-3.5 mm long; falling entire. Spikelet callus square; 0.2-0.5 mm long.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; compressed slightly; acute; 2.5-3.5 mm long; falling entire. Spikelet callus square; 0.2-0.5 mm long.
    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; 5-7 -veined. Lower glume apex acute. Upper glume ovate; 1 length of spikelet; membranous; without keels; 7 -veined. Upper glume surface glabrous, or pubescent. Upper glume apex acute.
    Florets
    Basal sterile florets male, or barren; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 5 -veined; glabrous, or pubescent; acute. Fertile lemma ovate; 2-3 mm long; indurate; without keel. Lemma surface rugose. Lemma margins involute. Lemma apex acute. Palea involute; indurate; without keels.
    Distribution
    Africa: north, Macaronesia, west tropical, west-central tropical, northeast tropical, east tropical, southern tropical, south, and western Indian ocean. Asia-temperate: Arabia. Asia-tropical: India.
    Reference
    Paniceae. FTEA.
    [FZ]

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

    Habit
    Loosely tufted annual.
    Culms
    Culms 15–70 cm. high.
    Inflorescences
    Inflorescence of 7–15 racemes, these 2–10 cm. long, often compound, bearing mostly paired distant spikelets spreading from a triquetrous rhachis and imitating a panicle; pedicels, or some of them, longer than spikelet, up to 15 mm. long.
    Spikelets
    Spikelets like B. ramosa.

    Images

    Distribution

    Native to:

    Angola, Benin, Botswana, Burkina, Cameroon, Cape Provinces, Cape Verde, Caprivi Strip, Central African Repu, Chad, Congo, Djibouti, Egypt, Eritrea, Ethiopia, Gambia, Ghana, Guinea, Guinea-Bissau, India, Ivory Coast, Kenya, KwaZulu-Natal, Madagascar, Malawi, Mali, Mauritania, Mozambique, Namibia, Niger, Nigeria, Northern Provinces, Oman, Pakistan, Saudi Arabia, Senegal, Socotra, Somalia, Sudan, Swaziland, Tanzania, Togo, Uganda, West Himalaya, Yemen, Zambia, Zaïre, Zimbabwe

    Introduced into:

    Alabama, Florida

    Synonyms

    Common Names

    English
    False signal grass

    Other Data

    Urochloa deflexa (Schumach.) H.Scholz appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Mar 1, 1936 Akpabla, G.K. [294], Ghana Brachiaria deflexa K000282164
    Schimper [1653], Ethiopia Brachiaria deflexa K000282212
    Kotschy [53], Sudan Brachiaria deflexa K000282210 isosyntype
    Kotschy, Sudan Brachiaria deflexa K000282211 isosyntype
    Thonning, Ghana Brachiaria deflexa K000282165
    Gorini, P. [19], Somalia Brachiaria deflexa K000282209 isotype

    Bibliography

    First published in Bull. Mus. Natl. Hist. Nat., B, Adansonia 11: 443 (1989)

    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 deflexa.]

    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.
    • Kral, R., Diamond, A.R., Ginzbarg, S.L., Hansen, C.J., Haynes, R.R., Keener, B.R., Lelong, M.G., Spaulding, D.D. & Woods, M. (2011). Annotated checklist of the vascular plants of Alabama: 1-112. Botanical reseach institute of Texas.
    • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.
    • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
    • Kandwal, M.K. & Gupta, B.K. (2009). An update on grass flora of Uttarkhand Indian Journal of Forestry 32: 657-668.
    • 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.
    • Cope, T.A., Knees, S.G. & Miller, A.G. (2007). Flora of the Arabian peninsula and Socotra 5(1): 1-387. Edinburgh University Press.
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
    • Miller, A.G. & Morris, M. (2004). Ethnoflora of Soqotra Archipelago: 1-759. The Royal Botanic Garden, Edinburgh.
    • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.
    • 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.
    • Barry, J. P. & Celles, J.S. (1991). Flore de Mauritanie 2: 360-550. Centre Regional de Documentation Pedagogique, Nice.
    • Clayton, W.D. (1989). Flora Zambesiaca 10(3): 1-231. Royal Botanic Gardens, Kew.
    • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.
    • 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.
    • Cope, T.A. (1982). Flora of Pakistan 143: 1-678. Department of Botany, University of Karachi, Karachi.
    • Clayton, W.D. & Renvoize, S.A. (1982). Gramineae Flora of Tropical East Africa 3: 451-898.
    • 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.
    • 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. (1934). Flore Agrostologique du Congo Belge et du Ruanda-Urundi 2: 9-386. Goemaere, Bruxelles.

    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

    Plants and People Africa
    Common Names from Plants and People Africa http://www.plantsandpeopleafrica.com/
    © Plants and People Africa http://www.plantsandpeopleafrica.com http://creativecommons.org/licenses/by/3.0/