Stems to 1 m, climbing, with internodes ca. 2.5 cm, many leaved. Leaf blade linear, 15-20 × 1.5-1.8 cm, leathery, apex obtuse. Inflorescence racemose, with 20-25 flowers; rachis to 24 cm; floral bracts tiny, ca. 1 × 1 mm. Flowers white to green-white; pedicel and ovary ca. 6 mm. Dorsal sepal linear, 7-8 × ca. 1.5 mm, distinctly 3-veined; lateral sepals linear, ca. 6 × 1.5 mm, joined together and adnate to claw of lip. Petals linear, 7-8 × 1.2-1.5 mm; lip spurred, with a basal claw 3-4 mm; spur conic-cylindric, 2-3 mm. Column slender, ca. 6 mm; rostellum beak ca. 2 mm; stipe ca. 2 mm. Fl. Mar.