细根茎黄精 xi gen jing huang jing

Rhizome terete, 2--3 mm thick, slender. Stem 10--30 cm, slender, glabrous. Leaves in (1 or)2(or 3) whorls of 3--6, rarely also a few scattered between whorls; petiole very short; leaf blade oblong to oblong-lanceolate, 3--6 × 0.8--2 cm, glabrous, apex acuminate. Inflorescences usually 2-flowered; peduncle slender, 1--2 cm; bracts membranous, 2--3 mm. Pedicel 1--2 mm. Perianth pale yellow, cylindric, 6--8 mm; lobes ca. 1.5 mm. Filaments very short, ca. 0.5 mm; anthers ca. 1.5 mm. Ovary ca. 1.5 mm. Style slightly shorter than ovary. Berries 5--7 mm in diam., 2--4-seeded. Fl. Jun, fr. Aug.

* Forests, grassy slopes; 2100--2400 m. Gansu, Shaanxi, Shanxi.