Japan Flora: Rhizomes creeping, the internodes relatively long; stems 20-40 cm. long, terete below, angled above; leaves 5-6, subsessile, ovate to elliptic, 3-4.5 cm. long, 2-3.5 cm. wide, prominently papillose on margin, on the nerves beneath, or sometimes on both sides; peduncles arcuately recurved, 3-6 mm. long, flattened, densely papillose, the bracts 2(-3), 7-10 mm. long, attached at the top of the peduncle, ovate, many-nerved, papillose; flowers yellow-green, 10-13 mm. long, glabrous, the pedicels 1-3 mm. long; anthers about 2.5 mm. long, the filaments smooth, nearly filiform, shorter than the anthers. May.

Kyushu (Tsushima). -s. Korea.