1. Family: Polygalaceae Hoffmanns. & Link
    1. Genus: Securidaca L.
      1. Securidaca welwitschii Oliver

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

    [FTEA]

    Polygalaceae, Jorge Paiva. Flora of Tropical East Africa, 2007

    Type
    Type: Angola, Golungo Alto, Alto Queta, Welwitsch 994 (LISU!, lecto.; BM!, COI!, K!, isolecto.)
    Habit
    Scandent shrub or liana, 10–15 m tall.
    Branches
    Young branchlets minutely appressedpubescent, soon becoming glabrous
    Leaves
    Leaves thinly coriaceous, petiolate, broadly to oblong-elliptic, 5–15 × (1.5–)2–5.5 cm, acuminate, base cuneate to obtuse, upper surface shiny and glabrous or nearly so, glabrous below; petiole 5–8 mm, pubescent
    Flowers
    Flowers pink or purple, sometimes variegated with white, sweet-scented, in axillary or terminal racemes or simply branched panicles 2–10(–20) cm long, often borne on short shoots which become spiny, many-flowered; peduncle and rachis pubescent; bracts and bracteoles soon caducous; pedicels 5–8(–10) mm, pubescent
    Calyx
    Posterior sepal ovate, 4–5 × 3–4 mm, ciliate; wing-sepals suborbicular, (4–)5–9(–11) mm in diameter; anterior sepals suborbicular to broadly ovate, 4–4.5 mm in diameter
    Corolla
    Upper petals narrowly elliptic or oblong-obovate, (4.5–)5–6(–7.5) × 2–3 mm, ciliate at the base; carina 7–10 mm × 5 mm, with a small lobed appendage 1 mm long near the apex
    Stamens
    Staminal sheath (3–)4–8 mm long, ciliate on the upper margin
    Fruits
    Fruit 3–5 × 0.8–2 cm, with an oblong-elliptic somewhat obliquely curved wing, with a second imperfect and rudimentary wing; nut subglobose, 8–10 mm in diameter, rugulose or smooth.
    Ecology
    Upland evergreen forest; 1100–1650 m
    Distribution
    Flora districts: U2 U3 U 4 ; K3 K5 T3 T7 Range: West tropical Africa, Congo-Kinshasa, Angola, Zambia
    [FWTA]

    Polygalaceae, Hutchinson and Dalziel. Flora of West Tropical Africa 1:1. 1954

    Habit
    Scandent shrub or lofty climber up to 80ft.
    Flowers
    Flowers white, often pink at the base of the petals, or yellowish.
    [FZ]

    Polygalaceae, A. W. Exell. Flora Zambesiaca 1:1. 1960

    Habit
    A spiny scandent shrub or liane with young stems at first minutely appressed-pubescent, rapidly glabrescent.
    Leaves
    Leaves petiolate; lamina up to 10 x 5 cm., elliptic to oblong-elliptic or broadly oblong-elliptic, glabrous or nearly so, acuminate at the apex, cuneate to obtuse at the base; petiole up to 8 mm. long.
    Inflorescences
    Inflorescences and flowers as in the preceding species but somewhat smaller than in the larger forms of S. longepedunculata, with the wing sepals up to about 8 mm. long.
    Fruits
    Fruit as in S. longepedunculata but wing relatively narrower and less oblique.

    Images

    Distribution

    Native to:

    Angola, Benin, Burundi, Cameroon, Congo, Gabon, Guinea, Ivory Coast, Kenya, Liberia, Nigeria, Rwanda, Sierra Leone, Sudan, Tanzania, Uganda, Zambia, Zaïre

    Securidaca welwitschii Oliver appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Dec 1, 2003 Cheek, M. [9163], Cameroon K000198256
    Mar 1, 1984 Mann, G. [2223], Cameroon K000012885 syntype
    Mar 1, 1984 Mann, G. [477], Africa K000012886 syntype
    Mar 1, 1984 Welwitsch [994], Angola K000012847 isolectotype
    Drummond, R.B. [4766], Kenya 9014.000
    Maitland, T.D. [569], Cameroon K000106255
    Maitland, T.D. [1118], Cameroon K000106258
    Maitland, T.D. [1159], Cameroon K000106257
    Staudt, A. [524], Cameroon K000106256

    First published in Fl. Trop. Afr. 1: 135 (1868)

    Accepted by

    • 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.
    • Fischer, E., Rembold, K., Althof, A. & Obholzer, J. (2010). Annotated checklist of the vascular plants of Kakamega forest, Western province, Kenya Journal of East African Natural History 99: 129-226.
    • Lejoy, J., Ndjele, M.-B. & Geerinck, D. (2010). Catalogue-flore des plantes vasculaires des districts de Kisangani et de la Tshopo (RD Congo) Taxonomania 30: 1-307.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Paiva, j. (2007). Flora of Tropical East Africa, Polygalaceae: 1-60.
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
    • Troupin, G. (ed.) (1983). Flora du Rwanda 2: 1-603. Musee Royal de l'Afrique Centrale.
    • Exell, A.W. & Wild, H. (eds.) (1960). Flora Zambesiaca 1(1): 1-336. Royal Botanic Gardens, Kew.
    • Robyns, W. & al. (eds.) (1948-1963). Flore du Congo Belge et du Ruanda-Urundi 1-10.

    Literature

    Flora of West Tropical Africa
    • Chev. Fl. Viv. 1: 273.
    • F.T.A. 1: 135 (1868)
    Kew Backbone Distributions
    • Fischer, E., Rembold, K., Althof, A. & Obholzer, J. (2010). Annotated checklist of the vascular plants of Kakamega forest, Western province, Kenya Journal of East African Natural History 99: 129-226.
    • Lejoy, J., Ndjele, M.-B. & Geerinck, D. (2010). Catalogue-flore des plantes vasculaires des districts de Kisangani et de la Tshopo (RD Congo) Taxonomania 30: 1-307.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Paiva, j. (2007). Flora of Tropical East Africa, Polygalaceae: 1-60.
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
    • Troupin, G. (ed.) (1983). Flora du Rwanda 2: 1-603. Musee Royal de l'Afrique Centrale.
    • Hutchinson, J., Dalziel, J.M. & Keay, R.W.J. (1954-1958). Flora of West Tropical Africa, ed. 2, 1: 1-828.
    Flora of Tropical East Africa
    • K.T.S.L.: 86, map (1994).
    • S. Afr. J. Bot. 53(1): 10/1A & fig. 3 (1987)
    • F.Z. 1(1): 305 (1960)
    • Petit, F.C.B. 7: 279 (1958)
    • Keay, F.W.T.A., ed. 2, 1: 110 (1954)
    • T.T.C.L.: 457 (1949)
    • F.T.A. 1: 135 (1868)

    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

    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