Herb, epiphyte, up to 0.23 m high; without pseudobulbs, with many, branched roots. Stem long, branched, forming untidy masses. Leaves in 2 alternate rows, yellowish green, straight, tough, coriaceous, 2 rounded lobes at apex, margins revolute, 40-100 mm long, < 10 mm wide. Inflorescences of several racemes, axillary or arising below the leaves, horizontal or pendent. Flowers 10-25, crowded, each 6-12 mm in diam., yellowish green; sepals narrower than petals; lip broader than long; spur cylindrical, curved at base; anther bright yellow. Flowering time Feb.-May.