African Plant Database

Tridactyle citrina P.J. Cribb
Protologue : Kew Bull. 32(1): 183 (1977)
Information on the genus : Tridactyle
Status for TA : rejected (present), is synonym of : Ypsilopus citrinus (P.J. Cribb) D’haijčre & Stévart
Synonym(s) Homotypic
 Ypsilopus citrinus (P.J. Cribb) D’haijère & Stévart (2019)
Ecology and distribution
Trop. Afr.
Biology : Epiphytic small herb to 10 cm tall; stems 1-9 cm long with slightly verrucose roots to 15 cm long; leaves 2-4, stiff, folded, linear, 7-15x0,7-1,5 cm; inflorescences 1-5, arising near base of stem, 7,5-12 cm long, arching, 4-12-flowered; flowers in 2 rows, all facing the same way, creamy-yellow, c. 15 mm Ř; bracts ovate, 3 mm long; pedicel and ovary 4-6 mm long; sepals lanceolate-acuminate, 8-11x c. 4 mm; petals similar, 7-8x3 mm; lip linear, 10-16x3-5 mm, base auriculate, 3-lobed in apical third; midlobe triangular, 5x1 mm; side lobes spreading, shorter; spur slender, 36-50 mm long, at first parallel to ovary, then pendent.
Ecology : Mixed woodland; mountainside woodland on scattered trees; high rainfall Brachystegia woodland; on branches of trees in dapple shade; on rocks; on, e.g., Brachystegia taxifolia, Protea trees; 1360-2100 m alt.
  One of the most attractive Tridactyle species.

Bibliography for Tropical Africa :
  • EXELL, A. & WILD, H. (1998). Flora Zambesiaca: Mozambique, Federation of Rhodesia and Nyasaland, Bechuanaland Protectorate. London Kew 11[2]: 454
More info on :
see under Jstor_African Plant Initiative
see under The International Plant Name Index
no map available
Record n°45029
Feedback about this record