Source:
SSA
Description:
Epiphytic monopodial herbs, with short to elongate leafy stems, without pseudobulbs. Leaves distichous, +/- coriaceous, articulated to persistent sheath, often unequally 2-lobed. Inflorescences lateral, racemes, rarely flowers solitary; flowers often white or greenish white. Sepals and petals free, subsimilar. Lip concave, entire or 3-lobed, spurred, basally enveloping gynostemium. Gynostemium short and broad, lacking column-foot; anther operculate, incumbent; pollinia 2. Capsule oblong or fusiform. x= 19 (25) (aneuploids, polyploidy).
Distribution:
Species +/- 200, Africa, Madagascar and Mascarene Islands, 1 in Sri Lanka; 6 widespread in subtropical parts of sthn Afr., including Swaziland, extending to Eastern Cape.
Classification:
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