藏玄参 zang xuan shen

Oreosolen unguiculatus Hemsley.

Plants entirely with glandular hairs. Roots thick. Lower leaves scalelike; uppers ones crowded and rosulate; petiole short, broad, flattened; leaf blade cordate to ovate, 2-8 cm, thick, margin irregularly dentate; veins adaxially strongly im-pressed. Inflorescences less than 5 cm tall. Calyx lobes linear-lanceolate. Corolla yellow, 1.5-2.5 cm; lower lip lobes obovate-orbicular; upper lip lobes ovate-orbicular. Filaments thick, apically dilated; anthers 1-loculed, transverse; staminode needlelike, adnate to center of upper corolla lip. Capsule ovoid-globose, to 8 mm, apex tapered. Seeds dark brown, ca. 2 mm. Fl. Jun, fr. Aug.

Alpine meadows; 3000-5100 m. S Qinghai, Xizang [Bhutan, Nepal, Sikkim].