Disperis katangensis var. katangensis
Terrestrial herb 5-20 cm tall, tuber c. 1 cm long, globose; leaves 2, alternate, 1-3 x 0.8-2 cm, ovate, cordate at base, deep dull green with whitish veins on upper surface, deep purple below; inflorescence 1-5 flowered, ovary 10-13 mm long, bracts leaf like, 6-20 mm; flowers pale mauve with yellow and purple marks inside hood; dorsal sepal 7-17 mm long, linear, adnate to petals to form an open hood 13-15 mm long, 5.5-11 mm deep and 15-18 mm wide across mouth; lateral sepals 12-15 x 6-11 mm, obliquely elliptic, apiculate, joined for quarter to one third their length, each with a sac-like spur up to 0.5 mm long; petals 7-17 x 7-11 mm, elliptic; lip 7.5-10 mm long, claw sharply bent back near base dilating into a densely papillate appendage, broadly reniform.
Brachystegia woodland 1500–1800 m.
Dec - Frb
Zambia; Angola; Tanzania; Zaire;
Flora Zambesiaca volume:11 part:1 (1995) Orchidaceae by I. la Croix and P.J. Cribb
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