Family:
Apocynaceae Juss.
Genus:
Raphionacme Harv.

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

Morphology General Habit
An erect or spreading herb of up to 15 cm high.
Vegetative Multiplication Tubers
Tuber sub-spherical, 7–10 cm diameter.
Morphology 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
Morphology 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
Morphology Reproductive morphology Inflorescences
Inflorescences terminal, open, few-flowered, puberulent to pubescent.
Morphology Reproductive morphology Inflorescences Peduncles
Peduncles 0.2–1.7 cm long.
Morphology Reproductive morphology Inflorescences Bracts
Bracts subulate, 2–4 mm long.
Morphology Reproductive morphology Flowers Pedicel
Pedicels 0.7–1.8 cm long
Morphology Reproductive morphology Flowers Calyx
Sepals narrowly triangular to narrowly ovate, 2–3 × ± 1 mm, attenuate, outside puberulent to pubescent.
Morphology Reproductive morphology Flowers 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
Morphology Reproductive morphology Flowers Corona
Corona lobes filiform with dilated
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Staminal filament bases semi-ovoid, ± 1 mm long, succulent; filaments filiform, 2–4 mm long.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers whitish, oblong-ovate, 3–4 mm long, fully fertile
Morphology Reproductive morphology Flowers Gynoecium Style
Style terete, 3–4 mm long; stylehead ovoid, 3–4 × ± 2 mm, acute.
Morphology Reproductive morphology Flowers Gynostegium
Gynostegium elevated above corolla mouth
Morphology Reproductive morphology Fruits
Follicles and seed unknown.
Ecology
Rocky grassland; 1000–1300 m
Distribution
Range: Congo-Kinshasa, Angola and Zambia Flora districts: K5

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

  • Albers, F. & Meve, U. (eds.) (2002). Illustrated handbook of succulent plants Asclepiadaceae, corr. 2nd printing: 1-318. Springer, Berlin, Heidelberg,New York.
  • Goyder, D.J., Gilbert, M.G. & Venter, H.J.T. (2020). Flora Zambesiaca 7(3): 1-375. Royal Botanic Gardens, Kew.
  • 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.

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

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

  • 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 2022. 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 2022. 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