Thunbergia usambarica
Selected images: Click on each image to see a larger version and details of the record View all images (12)
Photo: Bart Wursten
Higher slopes below Nhandore peak, Mt Gorongosa
Photo: Bart Wursten
Forest on slopes below Nhandore peak, Mt Gorongosa
Photo: Stefaan Dondeyne
Just below Carvalho's mansion, Mt Tsetsera
Photo: Bart Wursten
Mt Gorongosa
Photo: Bart Wursten
Mt Gorongosa
Photo: Bart Wursten
Mt Gorongosa
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Species details: Click on each item to see an explanation of that item (Note: opens a new window)
| Synonyms: |
Thunbergia swynnertonii S. Moore |
| Common names: | |
| Frequency: | |
| Status: | Native |
| Description: |
Erect or semi-prostrate perennial. Stems several, up to 1 m long, 4-angled, arising from a creeping rootstock. Leaves: petiole 2-11 cm long; lamina ovate, rarely oblong-lanceolate, up to 8-16 × 4-11 cm, glossy, palmately veined, glabrous to densely puberulous and sometimes with longer setose hairs; base cordate with hastate lobes; margin crenate to coarsely toothed with up to 7 teeth on each side. Flowers solitary or in racemes arising from lower axils. Bracteoles 0.9-2.5 cm, pale green with conspicuous dark green reticulation. Calyx 1-3 mm long. Corolla white (rarely pale blue); throat yellow; tube 2-3.5 cm long. Capsule 7-10 mm wide; beak 10-18 mm long. |
| Type location: |
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| Notes: | Formerly included as a form of Thunbergia petersiana but now separated on the basis of the white flowers, the shorter corolla tube and the different habitat and altitude range. |
| Derivation of specific name: | usambarica: after the Usambara mountains in Tanzania where the type specimen, Holst 215, was collected in 1891. |
| Habitat: | In montane forest, in clearings and at the margins, at higher altitudes (above 1100 m) |
| Altitude range: (metres) | Above 1100 m |
| Flowering time: | |
| Worldwide distribution: | From Congo, Burundi southwards through East Africa to Malawi, Zimbabwe, Mozambique and South Africa. |
| FZ divisions: | N,T,MS |
| 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: | Wednesday 1 June 2022 |
| 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 20. As Thunbergia swynnertonii Ntore, S. & al. (2024). Checklist of the vascular plants of Burundi Page 43. Vollesen, K. (2013). Acanthaceae (Part 1) Flora Zambesiaca 8(5) Pages 36 - 37. |
Other sources of information about Thunbergia usambarica:
Our websites:
Flora of Burundi: Thunbergia usambaricaFlora of Malawi: Thunbergia usambarica
Flora of Zimbabwe: Thunbergia usambarica
External websites:
African Plants: A Photo Guide (Senckenberg): Thunbergia usambaricaAfrican Plant Database: Thunbergia usambarica
BHL (Biodiversity Heritage Library): Thunbergia usambarica
EOL (Encyclopedia of Life): Thunbergia usambarica
GBIF (Global Biodiversity Information Facility): Thunbergia usambarica
Google: Web - Images - Scholar
iNaturalist: Thunbergia usambarica
IPNI (International Plant Names Index): Thunbergia usambarica
JSTOR Plant Science: Thunbergia usambarica
Mansfeld World Database of Agricultural and Horticultural Crops: Thunbergia usambarica
Plants of the World Online: Thunbergia usambarica
Tropicos: Thunbergia usambarica
Wikipedia: Thunbergia usambarica