异黄精 yi huang jing

Rhizome 1--2 cm thick. Stem ascending, purple speckled, 20--40 cm × 2--4 mm. Leaves 6--9; petiole ca. 5 mm, base ± twisted; leaf blade lanceolate, 8--14 × 1.5--3.6 cm, leathery, 7--9-veined with prominent midvein, base obtuse, apex acuminate with blunt tip. Inflorescence (1 or)2-flowered; peduncle 7--14 mm. Pedicel 7--22 mm. Perianth pinkish, tipped greenish, tubular, 1.4--1.6 cm × 4--5 mm; lobes 6--8 mm. Outer stamens ca. 6 mm, inner ones ca. 8 mm; free part of filaments 1--1.5 mm, smooth; anthers lanceolate, ca. 2 × 1 mm. Ovary ca. 4 × 2.5 mm. Style ca. 2 mm. Berries 0.8--1 cm in diam. Fl. May. 2 n = 32*.

* Dark mossy evergreen broad-leaved forests; 1200--1300 m. EC Guangxi (Dayao Shan).