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  1. Family: Dioscoreaceae R.Br.
    1. Genus: Dioscorea Plum. ex L.
      1. Dioscorea smilacifolia De Wild. & T.Durand

        This species is accepted, and its native range is W. Tropical Africa to Uganda and Angola.

    [FWTA]

    Dioscoreaceae, J. Miège. Flora of West Tropical Africa 3:1. 1968

    Habit
    Perennial climber with spiny stems 12 ft. high
    Leaves
    Trinerved ovate leaves.
    [FTEA]

    Dioscoreaceae, E. Milne-Redhead. Flora of Tropical East Africa. 1975

    Habit
    Tuber probably replaced annually, shape and armament not recorded.
    Stem
    Twining stems with scattered prickles below.
    Leaves
    Leaves opposite or alternate, glabrous; petiole up to 7 cm. long; blade ovate, elliptic or rarely suborbicular, rounded at the base, broadly and shortly acuminate, conspicuously 3-nerved with the lateral nerves running near the margin, up to 9(–13) cm. long and 6(–10) cm. broad.
    Tubers
    Aerial tubers not observed.
    Inflorescences
    Inflorescences glabrous.
    Flowers
    Male spicate, up to 7 cm. long, arising up to 6 in the axils of leaves or leafless nodes on terminal or lateral branches up to 40 cm. long; perianth subglobose, ± 1.5 mm. in diameter. Female 1 per leaf-axil, up to 40 cm. long, often much shorter; perianth semi-globose, ± 1.5 mm. in diameter. Ovary glabrous.
    Male
    Male spicate, up to 7 cm. long, arising up to 6 in the axils of leaves or leafless nodes on terminal or lateral branches up to 40 cm. long; perianth subglobose, ± 1.5 mm. in diameter.
    Female
    Female 1 per leaf-axil, up to 40 cm. long, often much shorter; perianth semi-globose, ± 1.5 mm. in diameter. Ovary glabrous.
    Fruits
    Capsule as 6, D. odoratissima, up to 3.5 cm. in diameter.
    Seeds
    Seeds winged all round.
    Habitat
    Lowland rain-forest; 1200 m.
    Distribution
    U4 Zaire, Angola (Zaire), Cameroun, Fernando Po and westwards to Sierra Leone

    Images

    Distribution

    Native to:

    Angola, Benin, Burkina, Cameroon, Central African Repu, Congo, Gabon, Ghana, Guinea, Gulf of Guinea Is., Ivory Coast, Liberia, Nigeria, Sierra Leone, Togo, Uganda, Zaïre

    Synonyms

    Other Data

    Dioscorea smilacifolia De Wild. & T.Durand appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Sep 1, 2009 Nana felicite [67], Cameroon K000339013
    Jan 1, 2005 Cheek, M. [12003], Cameroon K000199853
    Oct 1, 2001 Cheek, M. [7164], Cameroon K000109583
    Dec 1, 2000 Wheatley, J.I. [376], Cameroon K000436721
    Keay, R.W.J. [25663], Nigeria K001146071
    Onochie, C.F.A. [35329], Nigeria K000809899
    Onochie, C.F.A. [35329], Nigeria K000809900
    Jones, A.P.D. [2558], Nigeria K001146075
    Meikle, R.D. [1193], Nigeria K001146073
    Meikle, R.D. [1193], Nigeria K001146074
    Glanville, R.R. [1526], Sierra Leone K000809886
    Glanville, R.R. [1526], Sierra Leone K000809887
    Harley, W.J. [902], Liberia K001146067
    Gossweiler, J. [6545], Angola K001146505
    Keay [25663], Nigeria K001146072
    Boughey, A.S. [14763], Côte d'Ivoire K001146058
    Binuyo, A. [35194], Cameroon K000809901
    Binuyo, A. [35194], Cameroon K001146084
    Gossweiler [9128], Angola K001146506
    Mann, G. [2283], Nigeria K001146082
    Mann, G. [2283], Nigeria K001146083
    Leeuwenberg, A.J.M. [8051], Côte d'Ivoire K000809895
    Leeuwenberg, A.J.M. [9035], Cameroon K000809905
    Fay, J.M. [1979], Central African Republic K000809903
    Harris, D.J. [1422], Central African Republic K000809902
    Harris, D.J. [87], Central African Republic K000809904
    Harris, D.J. [21], Central African Republic K000809907
    Talbot, P.A. [s.n.], Nigeria K001146078
    Talbot, P.A. [s.n.], Nigeria K001146079
    Oldeman, R.A.A. [848], Côte d'Ivoire K001146059
    Oldeman, R.A.A. [93], Côte d'Ivoire K001146060
    Whyte, A. [s.n.], Liberia K001146055
    Whyte, A. [s.n.], Liberia K001146065
    Adam, J.G. [20898], Liberia K001146068
    Dummer, R.A. [4364], Uganda K001147452
    Cummins, H.A. [s.n.], Ghana K001146069
    Robyns [1151], Congo, DRC K001146509
    Thomas, N.W. [7434], Sierra Leone K000809885
    Thomas, N.W. [7620], Sierra Leone K001146052
    Thomas, N.W. [s.n.], Sierra Leone K001146053
    Thomas, N.W. [2343], Nigeria K001146076
    Thomas, N.W. [2081], Nigeria K001146077
    Bos, J.J. [2499], Liberia K000809891
    Irvine, F.R. [590], Ghana K001146064
    Irvine, F.R. [120], Ghana K001146070
    Guinea, E. [1279] K001146086
    Guinea, E. [1277] K001146087
    Harder, D.K. [3385], Ghana K000809896
    Fishlock, W.C. [3], Ghana K001146063
    Casas, F. [11417], Equatorial Guinea K000809908
    Wieringa, J.J. [721], Gabon K001146510
    Wilde, J.J.F.E. de [3581], Côte d'Ivoire K000809892
    Dunlap [s.n.], Cameroon K001146085
    Elliot, G.F.S. [4157], Sierra Leone K001146051
    Elliot, G.F.S. [4026], Sierra Leone K001146054
    Louis [4227], Congo, DRC K001146508
    Champluvier, D. [5218], Congo, DRC K000809910
    Champluvier, D. [5218], Congo, DRC K000809911
    Sosef, M.S.M. [1051], Gabon K000809909
    Zenker, G.A. [2737], Cameroon K001146503
    Zenker, G.A. [1263], Cameroon K001146504
    Compère, P. [389], Congo, DRC K001146512
    s.coll [20273], Nigeria K000809897
    s.coll [20273], Nigeria K000809898
    s.coll [76], Liberia K001146056
    s.coll [87], Ghana K001146062
    s.coll [117], Nigeria K001146080
    s.coll [48] K001146081
    Louis, J.L.P. [5638], Congo, DRC K001146511
    Germain, R.G.A. [8464], Congo, DRC K001146507
    Baldwin, J.T.Jr. [6186], Liberia K000809888
    Baldwin, J.T.Jr. [11151], Liberia K000809889
    Baldwin, J.T.Jr. [11136], Liberia K000809890
    Baldwin, J.T.Jr. [13976A], Cameroon K000809906
    Baldwin, J.T.Jr. [11151], Liberia K001146057
    Leeuweberg, M.J.A. [2207], Côte d'Ivoire K000809893
    Leeuweberg, M.J.A. [2925], Côte d'Ivoire K000809894
    Leeuweberg, M.J.A. [2382], Côte d'Ivoire K001146061
    Menavanza, F. [107], Congo, DRC K000809912
    Menavanza, F. [107], Congo, DRC K000809913
    Bos, J. [2342], Liberia K001146066

    Bibliography

    First published in Ann. Mus. Congo Belge, Bot., sér. 2, 1(1): 58 (1899)

    Accepted by

    • Velayos, M. & al. (eds.) (2018). Flora de Guinea Ecuatorial 10: 1-491. Consejo superior de investigaciones científicas, Real jardín botánico, Madrid.
    • Thiombiano, A., Schmidt, M., Dressler, S., Ouédraogo, A., Hahn, K. & Zizka, G. (2012). Catalogue des plantes vasculaires du Burkina Faso Boissiera 65: 1-391.
    • Lejoy, J., Ndjele, M.-B. & Geerinck, D. (2010). Catalogue-flore des plantes vasculaires des districts de Kisangani et de la Tshopo (RD Congo) Taxonomania. Revue de Taxonomie et de Nomenclature Botaniques 30: 1-307.
    • Lisowski, S. (2009). Flore (Angiospermes) de la République de Guinée Scripta Botanica Belgica 41: 1-517.
    • Govaerts, R., Wilkin, P. & Saunders, R.M.K. (2007). World Checklist of Dioscoreales. Yams and their allies: 1-65. The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.
    • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
    • Govaerts, R. (2000). World Checklist of Seed Plants Database in ACCESS D: 1-30141.
    • Brunel, J.F., Hiepo, P. & Scholz, H. (eds.) (1984). Flore Analytique du Togo Phanérogames: 1-751. GTZ, Eschborn.

    Literature

    Flora of West Tropical Africa

    • Miège, Contrib. Dioscor. 138 (1952).
    • Burkill in Bull. Jard. Bot. Brux. 15: 391 (1939)
    • Knuth in Engl., Pflanzenr. Dioscoreac. 4, 43: 303 (1924)
    • in Ann. Mus. Congo, Bot., sér. 3, 1: 239 (1901)
    • in Ann. Mus. Congo, Bot., sér. 2, 1: 58 (1899)

    Kew Backbone Distributions

    • Thiombiano, A., Schmidt, M., Dressler, S., Ouédraogo, A., Hahn, K. & Zizka, G. (2012). Catalogue des plantes vasculaires du Burkina Faso Boissiera 65: 1-391.
    • Lisowski, S. (2009). Flore (Angiospermes) de la République de Guinée Scripta Botanica Belgica 41: 1-517.
    • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.
    • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
    • Brunel, J.F., Hiepo, P. & Scholz, H. (eds.) (1984). Flore Analytique du Togo Phanérogames: 1-751. GTZ, Eschborn.

    Flora of Tropical East Africa

    • Miège in Flora of West Tropical Africa, ed. 2, 3: 153 (1968).
    • Burkill in Bulletin du Jardin Botanique de l'État a Bruxelles 15: 391 (1939).
    • Hutch. & Dalz., Flora of West Tropical Africa 2: 382 (1936).
    • R. Knuth in A. Engler, Das Pflanzenreich IV. 43: 303 (1924).
    • De Wild. & Th. Dur. in Ann. Mus. Congo, Bot., sér. 3, 1: 239 (1901).
    • De Wild. & Th. Dur. in Ann. Mus. Congo, Bot., sér. 2, 1: 58 (1899)

    Sources

    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 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