Raphionacme welwitschii Schltr. & Rendle

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Raphionacme welwitschii

Miombo woodland
Cultivated at Dabuyu Farms
Oct 2020
Photo: Nick Wightman

Raphionacme welwitschii

Tuberous root
Miombo woodland
Cultivated at Dabuyu Farms
Oct 2020
Photo: Nick Wightman

Raphionacme welwitschii

Munga woodland
Dabuyu Farms, Lilayi, Lusaka
Jun 2022
Photo: Nick Wightman

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Synonyms: Chlorocyathus welwitschii (Schltr. & Rendle) Bullock
Raphionacme denticulata N.E. Br.
Common names:
Status: Native
Perennial climbing herb, growing from a hemi-spherical tuber, up to 20 × 10 cm. Stems annual, twining, up to 1 m long, velvety. Leaves opposite, ovate-elliptic, ovate or obovate, 5-11 cm long, sometimes longer, velvety, thinly textured to leathery, dark green above, pale green below; petiole 10-40 mm long. Flowers in pseudo-axillary, 10-15-flowered, compact clusters. Corolla lobes reflexed, ovate, 5-12 mm long, greenish-yellow to green with reddish-brown to purple-brown markings near the base, hairy on the outside. Corona pale yellow to pale green, hairless; lobes 3-segmented; central segment 2-5 mm long, filiform; lateral segments 1-2 mm long. Fruit a single follicle, rarely paired, narrowly ovoid, 4-5.5 cm long, tapering.
Type location:
Derivation of specific name: welwitschii: named after the Austrian botanist, Friedrich Martin Welwitsch (1806-1872)
Habitat: In grassy clearings in miombo woodland.
Altitude range: 400 - 1600 m
Flowering time:Jan - Mar
Worldwide distribution: Angola, DRC, Tanzania, Malawi, Mozambique, Zambia, Zimbabwe.
Zambian distribution (Flora Zambesiaca): N,W,C,E
Zambian distribution (Provinces): N
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Content last updated: Monday 7 November 2022

Goyder, D.J., Gilbert, M.G. & Venter, H.J.T. (2020). Apocynaceae (Part 2) Flora Zambesiaca 7(2) Pages 34 - 35. (Includes a picture).

Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 66.

Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 26.

Venter, H.J.T. (2009). A Taxonomic revision of Raphionacme (Apocynaceae: Periplocoideae) South African Journal of Botany 75(2) Pages 343 - 347. (Includes a picture).

Other sources of information about Raphionacme welwitschii:

Our websites:

Flora of Malawi: Raphionacme welwitschii
Flora of Mozambique: Raphionacme welwitschii
Flora of Zimbabwe: Raphionacme welwitschii

External websites:

African Plants: A Photo Guide (Senckenberg): Raphionacme welwitschii
BHL (Biodiversity Heritage Library): Raphionacme welwitschii
EOL (Encyclopedia of Life): Raphionacme welwitschii
GBIF (Global Biodiversity Information Facility): Raphionacme welwitschii
Google: Web - Images - Scholar
iNaturalist: Raphionacme welwitschii
IPNI (International Plant Names Index): Raphionacme welwitschii
JSTOR Plant Science: Raphionacme welwitschii
Mansfeld World Database of Agricultural and Horticultural Crops: Raphionacme welwitschii
Plants of the World Online: Raphionacme welwitschii
Tropicos: Raphionacme welwitschii
Wikipedia: Raphionacme welwitschii

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-24

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2024). Flora of Zambia: Species information: Raphionacme welwitschii.
https://www.zambiaflora.com/speciesdata/species.php?species_id=145400, retrieved 4 March 2024

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