Home | > | List of families | > | Apocynaceae subfamily Periplocoideae | > | Raphionacme | > | welwitschii |
Synonyms: |
Chlorocyathus welwitschii (Schltr. & Rendle) Bullock Raphionacme denticulata N.E. Br. |
Common names: | |
Frequency: | |
Status: | Native |
Description: |
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. |
Notes: | |
Derivation of specific name: | welwitschii: named after the Austrian botanist, Friedrich Martin Welwitsch (1806-1872) |
Habitat: | In grassy clearings in miombo woodland. |
Altitude range: (metres) | 400 - 1600 m |
Flowering time: | Jan - Mar |
Worldwide distribution: | Angola, DRC, Tanzania, Malawi, Mozambique, Zambia, Zimbabwe. |
Zimbabwe distribution: | E |
Growth form(s): | |
Endemic status: | |
Red data list status: | |
Insects associated with this species: | |
Spot characters: | Display spot characters for this species |
Images last updated: | Saturday 30 August 2014 |
Literature: |
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). |
Home | > | List of families | > | Apocynaceae subfamily Periplocoideae | > | Raphionacme | > | welwitschii |