Plants small, 3-6 cm tall. Tuber globose to ellipsoid, ca. 4 mm, minutely pilose; subterranean stem erect, 0.5-3 cm, pilose. Stem erect, to 5 cm, glabrous, with a tubular cataphyll at basal node. Leaf solitary, near apex of stem, cordate, 0.8-2.2 × 0.7-2.3 cm, adaxially with palmate venation, base amplexicaul, apex cuspidate. Floral bract linear-lanceolate, 6-12 × ca. 2 mm. Flower solitary, white and purplish red; pedicel and ovary 4-5 mm. Dorsal sepal spatulate, 12-17 × 4-8 mm, apex rounded; lateral sepals filiform, 11-14 mm, connate at base for ca. 1/5 of length. Petals similar to lateral sepals, 12-20 mm; lip orbicular and 8-14 mm wide when expanded, slightly shorter than petals, base tubular, apical part recurved; disk papillose, marked with parallel violet-red lines, with a conspicuous callus at base; spurs 2, whitish, straight or slightly arcuate, 3-7 mm. Column ca. 2.5 mm. Fl. Jul-Aug.
Home