| Synonyms: | 
Monsonia biflora DC  var. angustifolia  Burtt Davy | 
| Common names: | |
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| Description: | 
Decumbent or suberect annual herb, branching from a slightly woody base. Stems up to 50 cm long but usually shorter, pubescent and covered in very short gland-tipped hairs mixed with longer ones. Leaves narrowly oblong or elliptic, up to c. 3.5 × 1 cm, with indumentum as the stems; margin irregularly toothed; petiole 0.5-2 cm. Flowers in 1-3-flowered pseudumbel, leaf-opposed or sometimes in the axil of 2 apparently opposite leaves, mauve to blue or rarely white or yellowish; petals 9-14 mm long, often shallowly lobed at the apex. Fruit, including the erect rostrum, 5-9 cm long. | 
| Type location: | 
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| Notes: | |
| Derivation of specific name: | angustifolia: narrow-leaved | 
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| Worldwide distribution: | Widespread in Africa from Nigeria to Somalia and south to South Africa. Also in Madagascar. | 
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| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species | 
| Literature: | 
 Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 26. 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 75. Fabian, A. & Germishuizen, G. (1997). Wild Flowers of Northern South Africa. Fernwood Press, Vlaeburg. Pages 204 - 205. (Includes a picture). Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 176. (Includes a picture). Kirby, G. (2013). Wild Flowers of Southeast Botswana Struik Nature, Cape Town South Africa Page 312. (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 53. Mueller, T. (1963). Geraniaceae Flora Zambesiaca 2(1) Page 140. Ntore, S. & al. (2024). Checklist of the vascular plants of Burundi Page 139. Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 67. Pooley, E. (1998). A Field Guide to the Wild Flowers of KwaZulu-Natal and the Eastern Region. Natal Flora Publications Trust. Durban. Pages 400 - 401. (Includes a picture). Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 76. 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 214. Troupin, G. (1983). Geraniaceae Flore du Rwanda Spermatophytes Volume II Page 182. (Includes a picture). Van Wyk, B. & Malan, S. (1988). Field Guide to the Wild Flowers of the Witwatersrand and Pretoria Region Struik, Cape Town Pages 216 - 217. (Includes a picture). Venter, H.J.T. (1979). A Monograph of Monsonia L. (Geraniaceae) Mededelingen Landbouwhogeschool Wageningen 79-9 Agricultural University, Wageningen, The Netherlands Pages 10 - 18. (Includes a picture).  |