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  1. Family: Fabaceae Lindl.
    1. Genus: Senegalia Raf.
      1. Senegalia polyacantha (Willd.) Seigler & Ebinger

        This species is accepted, and its native range is Tropical & S. Africa, Indian Subcontinent.

    [FTEA]

    Leguminosae, J. B. Gillett, R. M. Polhill & B. Verdcourt. Flora of Tropical East Africa. 1971

    Habit
    Tree up to 21 m. high; trunk with fissured bark and knobby persistent prickles.
    Branches
    Young branchlets pubescent or puberulous, rarely subglabrous, grey to brown.
    Stipules
    Stipules not spinescent.
    Prickles
    Prickles in pairs just below each node, straw-coloured to brown or blackish, 4–12 mm. long.
    Leaves
    Leaves:petiole glandular (gland usually 2–4 × 1.75–3 mm.); rhachis pubescent or puberulous, rarely subglabrous, glandular between the top 3–17 pairs of pinnae; pinnae (6–)13–40(–60) pairs; leaflets (15–)26–64 pairs, 2–5(–6) mm. long, 0.4–0.75(–1 .25) mm. wide, linear to linear-triangular, pubescent usually only on margins, only the midrib (except sometimes some very small basal nerves) visible, subacute to narrowly obtuse at apex.
    Flowers
    Flowers cream or white, sessile or nearly so, in spikes (3.5–)6–12.5 cm. long, produced with the new leaves; axis densely pubescent or tomentellous; peduncle (0.5–) 1.2–2 cm. long.
    Calyx
    Calyx 1.7–2.25 mm. long, pubescent or puberulous, rarely puberulous on lobes only or subglabrous.
    Corolla
    Corolla 2–3 mm. long, 5-lobed, usually 1⅓ times or more as long as calyx.
    Stamens
    Stamen-filaments 4.5–6 mm. long; anthers 0.1 mm. across, with a caducous gland.
    Ovary
    Ovary glabrous; stipe very short.
    Fruits
    Pods (Fig. 14/12, p. 52) brown, dehiscent, glabrous or nearly so, rarely ± pubescent, oblong, straight, venose, usually acuminate at apex, 7–18 cm. long, 1–2.1 cm. wide.
    Seeds
    Seeds subcircular to elliptic-lenticular, 8–9 mm. long, 7–8 mm. wide; central areole medium to small, 3–4 × 3–3.5 mm., not impressed.
    [ILDIS]

    International Legume Database and Information Service

    Conservation
    Not Threatened
    Ecology
    Africa: Zambezian woodland, Sudanian woodland
    Habit
    Perennial, Not climbing, Tree
    [FZ]

    Leguminosae, J.P.M. Brenan. Flora Zambesiaca 3:1. 1970

    Habit
    Tree up to 20(25) m. high, rarely shrubby; trunk with fissured bark and knobby persistent prickles; young branchlets pubescent or puberulous, rarely subglabrous, grey to brown.
    Stipules
    Stipules not spinescent.
    Prickles
    Prickles in pairs just below each node, straw-coloured to brown or blackish, 4-12 mm. long.
    Leaves
    Leaves: petiole glandular (gland usually 2-5 x 1·75-3 mm.); rhachis pubescent or puberulous, rarely subglabrous, glandular between the top 3-17 pairs of pinnae; pinnae (6)13-40(60) pairs: leaflets (15)26-66 pairs, 2-5(6) x 0·4-0·75(1·25) mm., linear to linear-triangular, pubescent usually only on the margins, only the midrib (and sometimes some very small basal nerves) visible, subacute to narrowly obtuse at the apex.
    Flowers
    Flowers cream or white, sessile or nearly so, in spikes (3·5)6-12·5 cm. long, produced with the new leaves; axis densely pubescent or tomentellous; peduncle (0·5)1·2-2 cm. long.
    Calyx
    Calyx 1·7-2·25 mm. long, pubescent or puberulous, rarely puberulous on the lobes only or subglabrous.
    Corolla
    Corolla 2-3 mm. long, 5-lobed, usually 11/3 times or more as long as the calyx.
    Stamens
    Stamen-filaments 4·5-6 mm. long; anthers 0·1 mm. across, with a caducous gland.
    Ovary
    Ovary glabrous; stipe very short.
    Fruits
    Pods brown, dehiscent, 7-18 x 1-2·1 cm., oblong, straight, venose, usually acuminate at the apex, glabrous or nearly so, rarely ± pubescent.
    Seeds
    Seeds subcircular to elliptic-lenticular, 8-9 x 7-8 mm.; central areole medium to small, 3-4 x 3-3·5 mm., not impressed.

    Images

    Distribution

    Native to:

    Angola, Bangladesh, Benin, Botswana, Burkina, Burundi, Cameroon, Cape Provinces, Caprivi Strip, Central African Repu, Chad, Eritrea, Ethiopia, Gambia, Ghana, Guinea, India, Ivory Coast, Kenya, Malawi, Mali, Mozambique, Namibia, Niger, Nigeria, Northern Provinces, Rwanda, Senegal, Sudan, Tanzania, Togo, Uganda, Zambia, Zaïre, Zimbabwe

    Introduced into:

    Jamaica, Leeward Is., Peru, Puerto Rico, Windward Is.

    Accepted Infraspecifics

    Synonyms

    Other Data

    Senegalia polyacantha (Willd.) Seigler & Ebinger appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Nov 1, 2009 Brown, S. [700], India Acacia polyacantha K000654028
    Nov 1, 2009 Brown, S. [699], India Acacia polyacantha K000654029
    Apr 1, 2004 Gamble, J.S. [15514] Acacia polyacantha K000654027
    Apr 1, 2004 Kurz, S. [6], Bangladesh Acacia polyacantha K000654025 Unknown type material
    Jan 1, 1956 Maitland, T.D. [287], Cameroon Acacia polyacantha K000092989
    May 30, 1955 Hooker, J.D. [s.n.], Bangladesh Acacia polyacantha K000654031
    May 30, 1955 s.c. [19166], India Acacia polyacantha K000654030 holotype

    Bibliography

    First published in Phytologia 91: 28 (2009)

    Literature

    Kew Backbone Distributions

    • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
    • Kalema, J. & Beentje, H. (2012). Conservation checklist of the trees of Uganda: 1-235. Kew Publishing, Royal Botanic Gardens, Kew.
    • Lisowski, S. (2009). Flore (Angiospermes) de la République de Guinée Scripta Botanica Belgica 41: 1-517.
    • Timberlake, J.R., Bayliss, J., Alves, T., Francisco, J., Harris, T., Nangoma, D. & de Sousa, C. (2009). Biodiversity and Conservation of Mchese Mountain, Malawi. Report produced under the Darwin Initiative Award 15/036: 1-71. Royal Botanic Gardens, Kew.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • de Lourdes Rico-Acre, M. (2007). A checklist and synopsis of American species of Acacia (Leguminosae: Mimosoideae): 1-207. CONABIO, México D.F.
    • 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: 1-1231. National Botanical Institute, Pretoria.
    • Kumar, S. & Sane, P.V. (2003). Legumes of South Asia. A Checklist: 1-536. Royal Botanic Gardens, Kew.
    • 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.
    • Lock, J.M. (1989). Legumes of Africa a check-list: 1-619. Royal Botanic Gardens, Kew.
    • 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.
    • Boulvert, Y. (1977). Catalogue de la Flore de Centrafrique 3: 1-89. ORSTROM, Bangui.
    • 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.
    • 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.
    • Brenan, J.P.M. (1970). Flora Zambesiaca 3(1): 1-153. Royal Botanic Gardens, Kew.

    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

    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/

    International Legume Database and Information Service
    International Legume Database and Information Service (ILDIS) V10.39 Nov 2011
    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