Herbs, terrestrial. Pseudobulbs small, ± enclosed by white membranous sheaths. Leaves 2; petiole sheathlike, 0.5-3 cm, not articulate; blade broadly ovate or ovate, 2-3(-8) × 2-4 cm, membranous or herbaceous, base rounded and decurrent into petiole, margin conspicuously with irregular teeth, apex obtuse or subacute. Inflorescence 6-7 cm or longer, conspicuously longer than leaves; peduncle cylindric, slightly compressed, narrowly winged; rachis several flowered; floral bracts ovate, ca. 1 mm. Flowers green or purplish red; pedicel and ovary 7-8 mm. Sepals linear or linear-lanceolate, 9-12 × 1.5-2 mm, 3-veined, apex subacute; lateral sepals slightly oblique. Petals filiform, 8-10 × ca. 0.5 mm; lip ± reflexed at lower 1/3, nearly ovate-oblong, 6-7 mm, with a large lamellate basal callus, apex shortly cuspidate, with a tail ca. 1 mm. Column slightly arcuate, ca. 2 mm, nearly wingless. Fl. Jun-Jul. 2n = 30, 36.
Home