Slender, erect or pendulous, epiphytic herbs with short to elongate, often branching stems 4-40 cm. long. Pseudobulbs minute, linear-complanate to terete, monophyllous, 4-10 mm. long and 2-3.5 mm. wide, approximate to rather remote, obliquely inserted on the stems, pseudobulbs and internodes enveloped in broad, brown, imbricating, scarious sheaths. Leaves fleshy, subulate-conduplicate, semi-terete or rarely lanceolate-elliptic, acute to acuminate, 2-6 cm. long and .2-1.0 cm. wide. Inflorescences short, usually solitary, 1-flowered scapes 10-20 mm. long, produced from the base of the current mature growth. Flowers small, translucent with red or purple stripes. Sepals free, not spreading, the dorsal sepal oblong, obtuse to acute, concave, 7-9 mm. long and about 3 mm. wide, the laterals lanceolate, acute, 10-12 mm. long and 3-4 mm. wide, the very long, oblique bases adnate to the foot of the column, forming an elongate, conspicuous, obtuse to subacute mentum. Petals ligular to oblanceolate, acute, about equaling the dorsal sepal in length. Lip linear-oblanceolate, obtuse to subacute, entire, somewhat exceeding the lateral sepals, 12-14 mm. long and 3-3.5 mm. wide at the apex, the long narrow base slightly concave and articulated with the foot of the column, the subrotund to subacute apex often with undulate margins; the disk with a linear, obtuse callus about /2 the total length of the lip. Column elongate, semi-terete, somewhat arcuate, the apex with short, lateral, subfalcate, deflexed wings; the base produced into an elongate foot.
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