| Synonyms: | Rubia conotricha Gand. Rubia longipetiolata Bullock | 
| Common names: | Sticky-leaved rubia (English) | 
| Frequency: | |
| Status: | Native | 
| Description: | Scrambling or climbing herb. Stems up to 6m long, distinctly 4-ribbed, covered in minute recurved prickles. Leaves 4-whorled, rarely 3 or 5, lanceolate to broadly ovate, 2-7 cm long, more or less cordate at the base, generally with 5 prominent veins; margin and veins below with minute recurved prickles; petiole 15-100 mm long, set with minute recurved prickles. Flowers 3-6 mm in diameter, greenish, in axillary inflorescences. Fruits purple-black, each mericarp 2.5-4 mm in diameter. | 
| Type location: | South Africa | 
| Notes: | |
| Derivation of specific name: | cordifolia: with cordate (heart-shaped) leaves | 
| Habitat: | In margins and clearings of forest and scrub and in high rainfall miombo woodland, often in rocky situations. | 
| Altitude range: (metres) | |
| Flowering time: | Mar - Dec | 
| Worldwide distribution: | From tropical East Africa to Eastern Cape South Africa. Also in Angola. | 
| Botanical divisions: | |
| Growth form(s): | Climber, perennial. | 
| Endemic status: | |
| Red data list status: | |
| Insects associated with this species: | Macroglossum trochilus  (Larval foodplant) | 
| 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 252. (Includes a picture). Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe 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 74. Ntore, S. & al. (2024). Checklist of the vascular plants of Burundi Page 227. Verdcourt, B. (1988). Rubiaceae, Part 1 Flora Zambesiaca 5(1) Pages 193 - 195. (Includes a picture). Wursten, B., Timberlake, J. & Darbyshire, I. (2017). The Chimanimani Mountains: an updated checklist. Kirkia 19(1) Page 99. |