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Synonyms: |
Didymoplexis africana sensu la Croix & Cribb Gastrodia sp. no. 1 sensu Grosvenor (1976) |
Common names: | |
Frequency: | Rare but possibly overlooked |
Status: | Native |
Description: |
Leafless holomycotrophic herb up to c. 20 cm high, growing from a fusiform tuber up to 4 cm long. Inflorescence densely 1-many-flowered. Flowers spreading or erect, purple-brown. Tepals forming a 2-lipped tube. Sepals all more or less verrucose outside. Lip yellow-green with an apricot tip and a transverse fleshy callus; spur absent. Flowers short-lived and pedicels elongating rapidly as the capsule matures. |
Notes: | This species was formerly wrongly assumed to be Didymoplexis africana Summerh. which is not found in the Flora Zambesiaca region. |
Derivation of specific name: | ballii: named after John Ball, orchidologist, who collected the type for this species. |
Habitat: | In leaf litter in deeply shaded evergreen forest. |
Altitude range: (metres) | Up to 800 m |
Flowering time: | |
Worldwide distribution: | Malawi, Mozambique and Zimbabwe. |
Zimbabwe distribution: | E |
Growth form(s): | Terrestrial. |
Endemic status: | |
Red data list status: | Vulnerable |
Insects associated with this species: | |
Spot characters: | Display spot characters for this species |
Images last updated: | Saturday 23 July 2016 |
Literature: |
Ball, J.S. (2009). Terrestrial African Orchids, A Selected Review. Pages 174 - 175. (Includes a picture). Cribb, P.J.,Fischer, E. & Killmann, D. (2010). A revision of Gastrodia (Orchidaceae: Epidendroideae, Gastrodieae) in tropical Africa Kew Bulletin 65(2) Pages 317 - 320. Protologue (Includes a picture). Fibeck, W. & Dare, M. (1993). Terrestrial Orchids in Zimbabwe. Excelsa 16 Page 55. as Didymoplexis africana Golding, J.S. (ed.) (2002). Zimbabwe Plant Red Data List. Southern African Plant Red Data Lists. SABONET 14 Page 180. As Didymoplexis africana Grosvenor, R.K. (1976). A list of orchids indigenous in Rhodesia. Excelsa 6 Page 82. as Gastrodia sp. no. 1 La Croix, I. & Cribb, P.J. (1995). Orchidaceae (Part 1) Flora Zambesiaca 11(1) Pages 268 - 271. as Didymoplexis africana (Includes a picture). La Croix, I. et al. (1991). Orchids of Malawi A.A. Balkema, Rotterdam Page 171. as Didymoplexis africana (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 95. as Didymoplexis africana Strugnell, A.M. (2006). A Checklist of the Spermatophytes of Mount Mulanje, Malawi Scripta Botanica Belgica 34 National Botanic Garden of Belgium Page 134. as Didymoplexis africana |
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