Japan Flora: Saprophytic erect perennial, about 10 cm. high; stems turning black when dried, with a few remote scales; flowers few, loosely arranged, about 1 cm. long, pale yellow, not fully opening; sepals and petals oblanceolate; lip adnate to the lower half of the column, the free portion involute, dilated, 3-lobed, the terminal lobe semirounded, undulateJobulate, loosely papillose on margin, with a large villous area inside, the lateral lobes smaller, glabrous. May.