Tuber whitish, globose, 10-15 mm in diam. Leaf pale green on both surfaces, cordate-ovate, ca. 5 × 6 cm, plicate, membranous, glabrous, with ca. 20 main veins, base cordate, margin undulate, apex acute; petiole-like stalk erect, ca. 7 cm. Inflorescence 13-30 cm, 3-5-flowered; peduncle with 3-6 tubular sheaths; floral bracts reflexed, linear, 6-11 × ca. 1.5 mm, slightly exceeding ovary, apex acuminate. Flowers nodding, resupinate, opening widely or not; pedicel and ovary 5-10 mm, narrowly ridged. Sepals and petals pale green with purplish venation, linear-oblong, 9-17 × 2-2.5 mm, apex obtuse or acute; lip white with purplish venation, obovate, 7-13 × 5.5-7 mm, base cuneate, spurless, 3-lobed above middle; lateral lobes erect and loosely embracing column, triangular, ca. 2 × 1.5 mm, apices acute; mid-lobe transversely elliptic, ca. 2 × 3.5 mm, apex obtuse-rounded; disk densely villous especially toward apex. Column 6-8 mm. Fl. May.
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An orchid that grows in the soil. It needs to be dormant each year. The rhizome is slender and 3-4 cm long. This ends with a tuber. The tuber is white and fleshy and 5-20 mm across. The leaves occur singly on the end of a short stem. It is round or heart shaped and 5-10 cm long by 8-12 cm wide. The flowers are greenish. There are 2-4 flowers on a leafless stalk 15-30 cm high.
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