Plants 18–50 cm. Leaves persistent, petiolate; blade narrowly to broadly elliptic, prominently and irregularly plicate, 10–20 × 3–8 cm, abaxially usually maroon or greenish purple, adaxially dark green with whitish veins. Inflorescences: floral bracts inconspicuous, 3–7 × 1.5 mm, apex subulate to acuminate. Flowers prominent but inconspicuously colored; sepals spreading, greenish or yellowish suffused with magenta or purple-brown, oblong-oblanceolate to narrowly elliptic, 10–15 × 1.8–4 mm; petals parallel to column, greenish or yellowish, suffused with magenta or purple-brown, oblong-oblanceolate, 9–13 × 1.8–3.5 mm; lip white with magenta spots, obovate in outline, 9–12 × 7–9 mm, apex 3-lobed, lateral lobes ascending and flanking column, middle lobe broadly expanded, crenate; column 7 × 2 mm. Capsules ellipsoid, strongly ribbed, 15–30 × 7–12 mm.
Deep shade in the leaf litter of the forest floor. Woods and swamps. Moist, deciduous, upland to swampy forests; at elevations from sea level to 1,200 metres.