| Synonyms: | |
| Common names: | Grannyvine (English) |
| Description: | Herbaceous perennial climber. Stems twining, up to 3.5 m long. Leaves large, broadly ovate-heart-shaped, narrowly pointed at the apex. Inflorescences, axillary, few to many-flowered. Corolla funnel-shaped, 6-9 cm in diameter, usually blue with a white centre but many cultivars with other colours are known. |
| Notes: | Popularly grown as a garden ornamental and occasionally found as a naturalised escape. |
| Derivation of specific name: | tricolor: 3-coloured |
| Flowering time: | |
| Worldwide distribution: | Native to Mexico, Central America and tropical South America; introduced and naturalised elsewhere in the tropics |
| Growth form(s): | |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Literature: |
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 48. 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 37. Mwanga Mwanga, I.J.-C., Sosef, M.S.M. & Simoes, A.R.G., (2022). Convolvulaceae Flore d'Afrique Centrale Nouvelle Serie Jardin Botanique Meise, Belgique Pages 191 - 192. Ntore, S. & al. (2024). Checklist of the vascular plants of Burundi Page 89. Pickering, H. & Roe, E. (2009). Wild Flowers of the Victoria Falls Area Helen Pickering, London Page 55. (Includes a picture). |