Home | > | List of families | > | Orobanchaceae | > | Striga | > | gesnerioides |
Synonyms: |
Buchnera gesneroides Willd. Buchnera orobanchoides R. Br. Striga orobanchoides (R. Br.) Benth. |
Common names: | Cowpea witchweed (English) Tobacco witchweed (English) |
Frequency: | |
Status: | Native |
Description: |
Tufted, erect annual or perennial, parasitic herb, 10-35 cm tall, growing from a tuber-like haustorium up to c. 3 cm in diameter. Stems branching from the base, somewhat succulent, 4-angled, greenish-yellow or reddish-purple. Leaves scale-like, appressed to the stems, 5-10 mm long, minutely hairy or almost hairless, greenish-yellow or reddish-purple. Flowers opposite or alternate, 2-3 per node. Bracts of similar length as the calyx. Calyx 5-ribbed, 4-8 mm long with linear teeth. Corolla from pale or pink to dark purple. |
Notes: | Mostly a root parasite on legumes such as Indigofera, Tephrosia and Vigna but also on grasses and other plants. |
Derivation of specific name: | gesnerioides: resembling a species of Gesneria, a genus of plants, mostly native to the Caribbean Islands. |
Habitat: | In woodland, grassland and cultivated ground. |
Flowering time: | Dec - Jun |
Worldwide distribution: | Widespread in tropical Africa and Asia. |
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: | Tuesday 27 February 2018 |
Literature: |
Bandeira, S., Bolnick, D. & Barbosa, F. (2007). Wild Flowers of Southern Mozambique Universidade Eduardo Mondlane, Maputo, Mozambique Pages 183 - 184. (Includes a picture). Baumann, G. (2005). Photographic Guide to Wildflowers of Malawi Wildlife and Environmental Society of Malawi Pages 128 - 129. (Includes a picture). Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 53. Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 34. Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 195. (Includes a picture). Kirby, G. (2013). Wild Flowers of Southeast Botswana Struik Nature, Cape Town South Africa Page 328. (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 79. Under Scrophulariaceae Philcox, D. (1990). Scrophulariaceae Flora Zambesiaca 8(2) Page 131. Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 105. 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 226. van der Walt, R. (2009). Wild Flowers of the Limpopo Valley Retha van der Walt, Musina, South Africa Page 247. (Includes a picture). Wild, H. (1955). Common Rhodesian Weeds Government of Rhodesia, Salisbury Page 99. (Includes a picture). |
Home | > | List of families | > | Orobanchaceae | > | Striga | > | gesnerioides |