Home | > | List of families | > | Fabaceae subfamily Mimosoideae | > | Acacia | > | welwitschii |
Synonyms: |
Acacia delagoensis Harms Senegalia welwitschii (Oliv.) Kyal. & Boatwr. subsp. delagoensis (Harms ex Burtt Davy) Kyal. & Boatwr. |
Common names: | Delagoa thorn (English) |
Frequency: | Local. |
Status: | Native |
Description: |
Small to medium-sized tree up to 15 m with a broad crown, ofteen branching from near the base; bark yellowish to grey-brown, rough; young branchlets hairless. Prickles paired just below the nodes, hooked downwards, grey or blackish, up to c. 6 mm long. Leaves bipinnate, sometimes with a gland between the top pair of pinnae; pinnae 2-5 pairs; leaflets 3-8 pairs, elliptic or broadly elliptic, sometimes somewhat ovate, 4-20 mm long, rounded and often slightly emarginate at the apex, nearly symmetrical at the base, hairless, with venation rather prominent beneath; petiole with a small to rather large gland. Flowers sessile or almost so, in spikes 3-13 cm long on peduncles 0-3 cm long, white, produced with the leaves. Calyx 1·5-1·75 mm long, hairless. Pods dehiscent, linear-oblong, 5·5-16·5, hairless, usually straight, blackish to grey-brown. |
Notes: | |
Derivation of specific name: | welwitschii: named after the Austrian botanist, Friedrich Martin Welwitsch (1806-1872) |
Habitat: | In riverine fringes on alluvial soils. |
Altitude range: (metres) | |
Flowering time: | Nov - Dec |
Worldwide distribution: | Mozambique, Zimbabwe and Mpumalanga South Africa. |
Zimbabwe distribution: | E,S |
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: | Friday 26 October 2018 |
Literature: |
Brenan, J.P.M. (1970). Mimosoideae Flora Zambesiaca 3(1) Pages 78 - 79. Burrows, J.E., Burrows, S.M., Lötter, M.C. & Schmidt, E. (2018). Trees and Shrubs Mozambique Publishing Print Matters (Pty), Cape Town. Page 204. (Includes a picture). Coates Palgrave, K. (revised and updated by Meg Coates Palgrave) (2002). Trees of Southern Africa 3rd edition. Struik, South Africa Page 302. Da Silva, M.C., Izidine, S. & Amude, A.B. (2004). A preliminary checklist of the vascular plants of Mozambique. Southern African Botanical Diversity Network Report No. 30 Sabonet, Pretoria Page 63. Drummond, R.B. (1972). A list of Rhodesian Legumes. Kirkia 8(2) Page 214. Drummond, R.B. (1975). A list of trees, shrubs and woody climbers indigenous or naturalised in Rhodesia. Kirkia 10(1) Page 241. 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 44. Schmidt, E., Lötter, M. & McCleland, W. (2002). Trees and shrubs of Mpumalanga and Kruger National Park Jacana, Johannesburg, South Africa Pages 166 - 167. (Includes a picture). Timberlake, J., Fagg, C. & Barnes, R. (1999). Field Guide to the Acacias of Zimbabwe CBC Publishing, Harare Pages 136 - 137. (Includes a picture). Van Wyk, B. & Van Wyk, P. (1997). Field Guide to Trees of Southern Africa. Struik, South Africa Pages 488 - 489. (Includes a picture). Van Wyk, B. & Van Wyk, P. (2013). Field Guide to Trees of Southern Africa (Second edition) Struik, South Africa Pages 578 - 579. (Includes a picture). |
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