1. Family: Apocynaceae Juss.
    1. Genus: Raphionacme Harv.
      1. Raphionacme michelii De Wild.

        This species is accepted, and its native range is SW. Kenya to Angola.

    [FTEA]

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

    Habit
    An erect or spreading herb of up to 15 cm high.
    Tubers
    Tuber sub-spherical, 7–10 cm diameter.
    Stem
    Aerial stems erect to spreading, 3–15 cm long, branching lateral, puberulent to pubescent base, 1–2 cm long, papillose or glabrous, apex tortuous
    Leaves
    Leaves with petiole 0–1 cm long, sometimes stemclasping, puberulent to pubescent; blade very narrowly obovate to obovate, 4–6 × 1–2 cm, acute, margin wavy, base tapering, above glabrous or pubescent, spotted, below puberulent to pubescent, denser on prominent veins; veins arching to apex
    Inflorescences
    Inflorescences terminal, open, few-flowered, puberulent to pubescent.
    Peduncles
    Peduncles 0.2–1.7 cm long.
    Bracts
    Bracts subulate, 2–4 mm long.
    Pedicel
    Pedicels 0.7–1.8 cm long
    Calyx
    Sepals narrowly triangular to narrowly ovate, 2–3 × ± 1 mm, attenuate, outside puberulent to pubescent.
    Corolla
    Corolla tube campanulate, 3–5 mm long, outside glabrous to pubescent; lobes spreading, oblong-ovate, 12–20 × 3–5 mm, obtuse to sub-acute, outside glabrous to pubescent, inside mauve
    Corona
    Corona lobes filiform with dilated
    Filaments
    Staminal filament bases semi-ovoid, ± 1 mm long, succulent; filaments filiform, 2–4 mm long.
    Anthers
    Anthers whitish, oblong-ovate, 3–4 mm long, fully fertile
    Style
    Style terete, 3–4 mm long; stylehead ovoid, 3–4 × ± 2 mm, acute.
    Gynostegium
    Gynostegium elevated above corolla mouth
    Fruits
    Follicles and seed unknown.
    Ecology
    Rocky grassland; 1000–1300 m
    Distribution
    Range: Congo-Kinshasa, Angola and Zambia Flora districts: K5

    Distribution

    Native to:

    Angola, Kenya, Zambia, Zaïre

    Raphionacme michelii De Wild. appears in other Kew resources:

    First published in Ann. Mus. Congo Belge, Bot., sér. 5, 1: 181 (1904)

    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.
    • 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
    • U.K.W.F. ed. 2: 175 (1994).
    • Ann. Mus. Congo, ser. 5, 1: 181 (1904)

    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