1. Family: Apocynaceae Juss.
    1. Genus: Secamone R.Br.
      1. Secamone racemosa (Benth.) Klack.

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

    [FTEA]

    Apocynaceae (part 2), David Goyder, Timothy Harris, Siro Masinde, Ulrich Meve, Johan Venter. Flora of Tropical East Africa, 2012

    Habit
    Woody climber, glabrescent with youngest branches covered with short reddish hairs
    Leaves
    Leaves with petiole 8–20 mm long with appressed reddish hairs; lamina ovate to obovate, but usually elliptic, 0.5–1.2 × 0.2–0.5 cm, the apex acuminate, the base cuneate to rarely almost truncate, surface smooth (not tuberculate/papillate), glabrous on both sides to rarely with sparse reddish appressed hairs below
    Inflorescences
    Cymes axillary, up to 9-flowered.
    Flowers
    Flowers narrowly ovoid in bud with obtuse apex.
    Peduncles
    Peduncles 14–24 mm to first inflorescence branch, subsequent internodes as long, to as short as 5 mm long.
    Pedicel
    Pedicels 3–10 mm long
    Calyx
    Calyx with one to several surrounding calycoid bracts; lobes 3–4 × 1.5–2.2(–2.7) mm, ovate to usually oblong, obtuse to rounded at the apex, glabrous but with ciliate margin
    Corolla
    Corolla 5–7 mm long, lobed for 1/2– 2/3 of its length, not twisted, glabrous, white or yellowish to green, sometimes pinkish; tube 1.5–2.5 mm long; lobes oblong to sometimes obovate, 4.3–5.4 × 2–3.4 mm, truncate to rounded at the apex
    Corona
    Corolline corona of five fleshy horizontal bars between the corolla lobes at the sinuses and forming small pockets
    Stamens
    Staminal corona lobes about as long as to longer than the staminal column, dorsiventrally flattened, oblong, the apex crenate-truncate to bifid
    Style
    Stylar head appendage projecting at least twice as long as the staminal column, 3.3–5.3 mm long, cylindrical, entire to slightly bifid at apex.
    Fruits
    Follicles straight to slightly curved, linear in outline, 18–29 × 0.4–0.5 cm, thin-walled, finely pubesent
    Seeds
    Seeds 5–8 mm long; coma 3–4.5 cm long.
    Ecology
    Primary montane forest on marshy ground or along rivers, also in clearings with secondary regrowth; 1000–3000 m
    Distribution
    Range: Cameroon, Equatorial Guinea, Congo-Kinshasa, Rwanda and Burundi Flora districts: U2
    [FWTA]

    Asclepiadaceae, A. A. Bullock. Flora of West Tropical Africa 2. 1963

    Habit
    Climber over bushes.

    Images

    Distribution

    Native to:

    Burundi, Cameroon, Congo, Gulf of Guinea Is., Rwanda, Uganda, Zaïre

    Secamone racemosa (Benth.) Klack. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 2005 Bridson, D. [163], Rwanda 43780.000
    May 1, 2001 Cheek, M. [9162], Cameroon K000107536
    May 1, 2001 Etuge, M. [4097], Cameroon K000107537
    Jan 1, 2001 Mann [1273], Cameroon K000196871 holotype
    Jan 1, 2001 Mann [1273], Cameroon K000196872 isotype

    First published in Adansonia, sér. 3, 23: 322 (2001)

    Accepted by

    • Goyder, S., Harris, T., Masinde, S., Meve, U. & Venter, J. (2012). Flora of Tropical East Africa, Apocynaceae(2): 1-530.
    • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.

    Literature

    Kew Backbone Distributions
    • Goyder, S., Harris, T., Masinde, S., Meve, U. & Venter, J. (2012). Flora of Tropical East Africa, Apocynaceae(2): 1-530.
    • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
    • Hepper, F.N. (ed.) (1963). Flora of West Tropical Africa, ed. 2, 2: 1-544.
    Flora of Tropical East Africa
    • Adansonia 23: 322 (2001).

    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 2018. 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 2018. 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