African Plant Database

Disa ukingensis Schltr.
Protologue : Bot. Jahrb. Syst. 53: 539 (1915); Bot. Jahrb. Syst. 53: 476-605 (1915) 
Information on the genus : Disa
Status for TA : accepted (present)
Synonym(s) Heterotypic
=*Disa englerae auct. sensu Williamson, non Kraenzl.
Ecology and distribution
Trop. Afr.
Biology : Terrestrial herb; tubers testicular, 1,5x1 cm; sterile stem c. 4 cm tall, with basal sheaths and to 5 leaves, linear-lanceolate, acute, erect, to 7x12x1,2 cm; flowering stem 15-30 cm tall; cauline leaves imbricate; leaves ovate-lanceolate, 4,5-5,5x1,3 cm, grading into bracts; inflorescence 6-10 cm long, densely 7-15-flowered; flowers large, magenta-pink, dorsal sepal slightly paler with darker spots; bracts ovate, acute, c. 30x10 mm; pedicel and ovary 15-18 mm long; dorsal sepal ± orbicular, 10-18x16 mm, with pendent spur, clavate, obtuse, 6-8 mm long, from just below middle; lateral sepals oblong, spreading, 9-20x4-5 mm; petals 2-lobed at 3/4 way up, with anterior lobe spreading, 6-7x4-5 mm, posterior lobe ovate, erect, inside hood, 7-8x2-3 mm; lip linear, c. 10x1 mm, pendent.
Ecology : Short dry grassland; usually forming colonies; 2100-2800 m alt.
  Has been confused with D. engleriana but inflorescence denser and petals shorter. “…the two species are easily told apart and occupy quite different habitats” (la Croix & al., Orchids Malawi: 116, 1991).
  An upland vicariant of D. engleriana.

Bibliography for Southern Africa :
  • Énum. Pl. Fleurs Afr. Trop. 3: 126 (1995).
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see under The International Plant Name Index
see under African Plants - a Photo Guide
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Record n°43265
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