Skip to main content
This genus is accepted, and its native range is Tropical & S. Africa, S. Arabian Peninsula.
Raphionacme lanceolata Schinz

[FTEA]

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

Morphology General Habit
Geophytic suffrutescent herbs or herbaceous (rarely woody) climbers.
Morphology General Exudate
Latex white.
Morphology Roots
Root tuber turnip-shaped or cylindrical.
Morphology Stem
Underground stems perennial, erect, one or few from crown of tuber. Aerial stems annual, seldom perennial, twining, erect or procumbent, branching dichotomous or lateral, interpetiolar ridges with dentate colleters
Morphology Leaves
Leaves opposite, sessile or petiolate; blade herbaceous to leathery, secondary veins arching or divaricate
Morphology Reproductive morphology Inflorescences
Inflorescences terminal and/or axillary, racemose, plumose or globose, few to many-flowered, glabrous or hairy
Morphology Reproductive morphology Flowers Corolla
Corolla tube campanulate to cylindrical, inner face fluted; lobes ovate, obovate or triangular, spreading to reflexed, outside glabrous or hairy, inside glabrous.
Morphology Reproductive morphology Flowers Corona
Gynostegial corona absent Corolline corona arising from mouth of corolla tube. Coronal feet inconspicuous or conspicuous and columnar or cone-shaped, free or seldom fused collar-like; lobes simple or basally trisegmented, apices simple or variously incised, glabrous
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens arising from inner base of coronal feet, filaments free.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers ovate, triangular or hastate, glabrous; pollen in tetrads
Morphology Reproductive morphology Flowers Nectaries
Nectary pockets from base of corolla tube, fused to coronal feet.
Morphology Reproductive morphology Flowers Gynostegium
Gynostegium just protruding from to elevated above corolla mouth
Morphology Reproductive morphology Flowers Gynoecium Style
Styles terete or fluted, glabrous or hairy; style-head, broadly ovoid, oblong-ovoid or conical, translators with receptacle, stalk and sticky disc
Morphology Reproductive morphology Fruits
Follicles paired or single, erect or divaricate, narrowly ovoid to cylindrical
Morphology Reproductive morphology Seeds
Seeds ovate with coma or ring of hairs
Ecology
Most Raphionacme species are from grassland or savanna, but a few inhabit semidesert or true desert, a few swampy habitat and one forest habitat.

[FSOM]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Underground stems perennial, erect, one or few from crown of tuber; aerial stems usually annual; latex white Herbs or climbers from fleshy tuber
Morphology Leaves
Leaves opposite, simple, petiolate
Morphology Reproductive morphology Inflorescences
Inflorescences paniculate or head-like, few to many-flowered, terminal and/or axillary
Morphology Reproductive morphology Flowers Calyx
Sepals ovate to triangular
Morphology Reproductive morphology Flowers Corolla
Corolla-tube campanulate to cylindrical, inner face fluted with basal nectar pockets, with exserted gynostegium; lobes spreading to reflexed, glabrous or hairy outside, glabrous inside
Morphology Reproductive morphology Flowers Corona
Corona-lobes inserted at mouth of corolla, free or fused, simple to 3-segmented, with simple or variously incised tips, glabrous
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens inserted just below corona-lobes; filaments free, basally fused to corona-lobes, glabrous; anthers glabrous; pollen in tetrads
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigmatic head broadly ovoid, oblong-ovoid or deltoid; pollen translators spathulate
Morphology Reproductive morphology Fruits
Follicles paired or single, erect or divaricate, narrowly ovoid to cylindrical. Seeds ovate with tuft of hairs at one end or with ring of hairs.
Distribution
Genus with 36 species in Africa and one on the Arabian Peninsula.

Native to:

Angola, Benin, Botswana, Burkina, Burundi, Cameroon, Cape Provinces, Caprivi Strip, Central African Repu, Chad, Ethiopia, Free State, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Kenya, KwaZulu-Natal, Lesotho, Malawi, Mali, Mozambique, Namibia, Nigeria, Northern Provinces, Oman, Rwanda, Senegal, Sierra Leone, Somalia, Sudan, Swaziland, Tanzania, Togo, Uganda, Zambia, Zaïre, Zimbabwe

Raphionacme Harv. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 1, 2008 Bingham, M. G. [12591], Zambia K000438751
Drummond, R.B. [1333], Tanzania 1999.000
Drummond, R.B. [4227], Kenya 2003.000
Gillett, J.B. [14021], Kenya 2005.000
Wild, H. [SRGH.49390] 30841.000

First published in London J. Bot. 1: 22 (1842)

Accepted by

  • Albers, F. & Meve, U. (eds.) (2002). Illustrated handbook of succulent plants Asclepiadaceae, corr. 2nd printing: 1-318. Springer, Berlin, Heidelberg,New York.
  • Venter, H.J.T. (2009). A taxonomic revision of Raphianacme (Apocynaceae: Periplocoideae) South African Journal of Botany 75: 292-350.

Literature

Flora of West Tropical Africa

  • —F.T.A. 4, 1: 268.

Flora of Somalia

  • Flora Somalia, Vol 3, (2006) Author: by J. Venter [updated by M. Thulin 2008]

Flora of Tropical East Africa

  • Fl. Cap. 4(1): 532 (1907)
  • G.P. 2 (2): 745 (1876)
  • London Journ. Bot. 1: 22 (1842)
  • N.E. Br. F.T.A. 4(1): 268 (1902)
  • S. Afr. Journ. Bot. 75: 292–350 (2009)

Flora of Somalia
Flora of Somalia
http://creativecommons.org/licenses/by-nc-sa/3.0

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. 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 2021. 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