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Synonyms: |
Tragia angustifolia sensu Engl. Tragia cordifolia sensu N.E. Br. Tragia madandensis S. Moore |
Common names: | |
Frequency: | |
Status: | Native |
Description: |
Climbing perennial herb with stinging hairs. Stems twining or erect when young, up to 3 m long, growing from a woody rootstock, more or less densely hairy. Leaves ovate-lanceolate to oblong-lanceolate, up to c. 14 cm long, widely cordate at the 5-7-veined base, usually 2 rounded lobes, sparsely hairy to almost hairless on both surfaces, bristly on the midrib and veins below; margin dentate. Inflorescences terminal or leaf-opposed, up to 14 cm long on a peduncle up to 10 cm long. Flowers unisexual on the same inflorescence. Calyx of the female flowers densely covered in stiff hairs, consisting of 6 linear lobes; each lobe palmately divided into 9-13 linear lobes again (image 6). Fruit 3-lobed, c. 5 × 9 mm, smooth, yellow-green with rough hairs on the ribs of the lobes. |
Notes: | |
Derivation of specific name: | |
Habitat: | In riverine fringes, on rocky outcrops, in mopane and miombo woodland; also on Kalahari sand. |
Altitude range: | |
Flowering time: | |
Worldwide distribution: | Angola, Botswana, Namibia, Tanzania, Malawi, Mozambique, Zambia, Zimbabwe, and Mpumalanga, South Africa. |
Malawi distribution: | N,S |
Growth form(s): | Climber. |
Endemic status: | |
Red data list status: | |
Insects associated with this species: | |
Spot characters: | Display spot characters for this species |
Literature: |
Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 149. Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 35. Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 95. (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 43. Pickering, H. & Roe, E. (2009). Wild Flowers of the Victoria Falls Area Helen Pickering, London Page 63. (Includes a picture). Radcliffe-Smith, A. (1996). Euphorbiaceae Flora Zambesiaca 9(4) Pages 228 - 229. Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 58. Timberlake, J.R. & Childes, S.L. (2004). Biodiversity of the Four Corners Area: Technical Reviews Volume Two (Chapter 5-15) Appendix 5-1: Plant Checklist Occasional Publications in Biodiversity 15 Page 208. |
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