Rhizome 1--5 mm thick. Stem ascending, purple speckled, 0.5--3.5 cm × 0.5--1 mm. Leaf 1(or 2); petiole 1.5--2.5 mm; leaf blade abaxially whitish or occasionally purplish, linear-oblong to oblong or oblanceolate, 3.5--10 × 0.6--3 cm, leathery, 7-veined with prominent midvein, base attenuate to obtuse, apex acuminate with blunt or sharp tip. Flower 1; pedicel 2--4 cm. Perianth whitish pink adaxially, pink abaxially, tubular to campanulate, 0.9--1.2 cm × 3--5 mm; lobes lanceolate, 4.5--9.5 mm, recurved near apex. Stamens subequal; filaments 3--5 mm, free part 0.8--1 mm; anthers lanceolate, 1.5--2 mm, apex mucronate. Ovary 1.8--2.2 mm. Style 1.5--2 mm; stigma capitate. Berries 5--8 mm in diam. Fl. May, fr. Aug.