Epipactis ulugurica Mansf., Notizbl. Bot. Gart. Berlin-Dahlem 11: 1060 (1934).
Arthrochilium uluguricum (Mansf.) Szlach., Orchidee (Hamburg) 54: 588 (2003).
An erect terrestrial herb to ± 1.5 m. tall. Stem terete, ± 5-8 mm. diameter, leafy in upper half, covered with sheathing cataphylls below. Leaves erect to spreading, ovate, acuminate, up to 16 cm. long and 7.4 cm. broad, densely many-nerved. Inflorescence erect, densely to laxly many-flowered, up to 20 cm. long; rhachis and bracts densely covered with brown hairs; bracts leafy, lanceolate, acuminate, lowermost 6 cm. long, 1.5 cm. broad, as long as the flowers. Flowers yellow-green to orange, red or mauve streaked, densely villose-hairy on outer surface. Dorsal sepal ovate-lanceolate, acuminate, 1.5-1.9 cm. long, 0.6 cm. broad, margins undulate; lateral sepals lanceolate-falcate, acuminate, 1.7-2 cm. long, 0.8 cm. broad. Petals lanceolate, acuminate, 1.5 cm. long, 0.5 cm. broad, pubescent on outer surface, margins undulate. Lip bipartite but apparently deeply 3-lobed, saccate at base, 1.7 cm. long, 1.6 cm. broad; hypochile with 3 longitudinal fleshy calli terminating in 5 fleshy papillae, with large oblong-elliptic side lobes 0.8 cm. long and 0.5 cm. broad; epichile ovate-lanceolate from a narrow base, subacute, with a central longitudinal fleshy ridge. Column 0.6 cm. long; anther 0.5 cm. long.
In subalpine bushland and mist forest; 2150-2600 m.
Tanzania (Uluguru Mts.)
Flora of tropical east Africa (part 2
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