Rhizome usually branched, terete, 4--7 mm thick. Stem erect, 12--35 cm, glabrous. Leaves 6, alternate; petiole 2--3 mm; leaf blade abaxially glaucous, ovate to elliptic, 5--9 × 3--3.8 cm, glabrous, base rounded to obtuse, apex obtuse to shortly acuminate. Inflorescences 1-flowered; bracts subulate, ca. 1 mm, caducous. Pedicel 2--3.5 cm, proximal 2--9 mm adnate to stem. Perianth subcylindric, 1.4--1.6 cm; lobes ca. 2 mm. Filaments ca. 7 mm, glabrous; anthers oblong, ca. 3 mm. Style ca. 1 cm. Fl. Jun--Jul.
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