1. Family: Apocynaceae Juss.
    1. Genus: Raphionacme Harv.
      1. Raphionacme borenensis Venter & M.G.Gilbert

        This species is accepted, and its native range is N. Somalia to CN. Kenya.

    [FTEA]

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

    Habit
    Erect herb.
    Tubers
    Tuber massive, turnip-like.
    Stem
    Aerial stems erect, branching lateral
    Leaves
    Leaf petiole 1–2 mm long; blade ovate to broadly ovate to obovate, 2.5–7.5 × 1.5–3 cm, acute to auminate, base cuneate, above glabrous to puberulous, green with lustre, beneath puberulous, dull green to green flushed purple, margin wavy
    Inflorescences
    Inflorescences terminal to sub-terminal, 2–3-flowered, sparsely to densely puberulous; peduncle 2–10 mm long.
    Pedicel
    Pedicels 3–4 mm long
    Calyx
    Sepals ovate to triangular, 1–2 × ± 1 mm, puberulous
    Corolla
    Corolla tube campanulate, 4 mm long, outer side puberulous; lobes spreading, purple, ovate, 5–7 × 2–4 mm, acute to obtuse
    Corona
    Corona lobes whitish, unsegmented, upper part filiform, 5–12 mm long, feet dilated
    Stamens
    Staminal filaments broadly semi-deltoid, 1–2 mm long, basally fleshy, terminally shortly filiform.
    Anthers
    Anthers narrowly ovate, ± 2 mm long
    Style
    Style 2–3 mm long; style-head broadly ovoid, 2–3 mm long; translators 2 mm long
    Gynostegium
    Gynostegium base in corolla mouth
    Fruits
    Follicles slender, fusiform, the pair horizontal
    Seeds
    Seeds not known.
    Ecology
    Acacia- Commiphora bushland on limestone, in full sun or partial shade, usually in rather bare, stony ground; 750–1600 m
    Note
    Raphionacme borenensis is known from just N of the Kenya/Ethiopia border and could well be present in Kenya.
    Distribution
    Flora districts: K 1? Range: Ethiopia, Somalia

    Distribution

    Native to:

    Ethiopia, Kenya, Somalia

    Raphionacme borenensis Venter & M.G.Gilbert appears in other Kew resources:

    First published in Bot. J. Linn. Soc. 99: 401 (1989)

    Accepted by

    • Goyder, S., Harris, T., Masinde, S., Meve, U. & Venter, J. (2012). Flora of Tropical East Africa, Apocynaceae(2): 1-530.
    • Venter, H.J.T. (2009). A taxonomic revision of Raphianacme (Apocynaceae: Periplocoideae) South African Journal of Botany 75: 292-350.
    • Thulin, M. (ed.) (2006). Flora of Somalia 3: 1-626. The Royal Botanic Gardens, Kew.
    • Hedberg, I., Edwards, S. & Nemomissa, S. (eds.) (2003). Flora of Ethiopia and Eritrea 4(1): 1-352. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
    • Albers, F. & Meve, U. (eds.) (2002). Illustrated handbook of succulent plants Asclepiadaceae, corr. 2nd printing: 1-318. Springer, Berlin, Heidelberg,New York.

    Literature

    Kew Backbone Distributions
    • Venter, H.J.T. (2009). A taxonomic revision of Raphianacme (Apocynaceae: Periplocoideae) South African Journal of Botany 75: 292-350.
    Flora of Tropical East Africa
    • Fl. Somalia 3: 140 (2006).
    • Fl. Eth. 4(1): 108 (2003)
    • J.L.S. 99: 401 (1989)

    Sources

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/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