Stems very much reduced, leafy. Leaves 15-20 cm. long, 3-5 cm. broad, lorate, obtuse, apex shallowly and unequally bilobed, coriaceous, inarticulate, glabrous. Inflorescence terminal, few-flowered, exceeding the leaves; rachis velutinous; flowers large; bracts 3-6 cm. long, obtuse, subrotund, clasping the rachis. Dorsal sepal 10-15 cm. long and 1.5-2 cm. broad at the base, lanceolate, minutely pubescent dorsally. Lateral sepals together about 8-11 cm. long and 2.5-4 cm. broad, ovate-lanceolate to lanceolate, connate to their apices. Petals 30-70 cm. long when mature, 0.5-1 cm. broad at the base, long-caudate, puberu-lent. Lip 5-6 cm. long and about 2.5-3 cm. broad in natural position, calceiform, margins involute, lateral edges of the opening pilose. Ovary velutinous.
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