15. Parnassia lutea Batalin, Trudy Imp. S.-Peterburgsk. Bot. Sada. 14: 320. 1895.
黄花梅花草 huang hua mei hua cao
Stems 1-3(-7), 13-20 cm, leafless. Basal leaves 2-4; petiole 1.2-2.5(-4) cm, with 3 brownish striations; leaf blade ovate or oblong-ovate, 0.8-1.3(-2.5) cm × 5-9(-15) mm, 3(-5)-veined with veins prominent abaxially and impressed adaxially, base attenuate or subcordate, apex rounded. Flower 1.8-2.3 cm in diam.; hypanthium shortly turbinate. Sepals lanceolate, ca. 7 × 2-5 mm, 3(or 5)-veined, margin entire, apex obtuse or subacute. Petals deep yellow, obovate, 1.2-1.4 cm × 5-8 mm, base contracted into a claw ca. 4 × 1.5 mm, curved 5-veined with veins branched, margin entire, apex rounded and cleft. Anthers oblong, ca. 1.5 mm; filaments ca. 4 mm; staminodes flat, ca. 3.5 mm, 3-lobed at apex, lobes linear, ca. 1.2 mm, rounded and slightly thickened at apex. Ovary semi-inferior, long ovoid; style very short; stigma 3-lobed, lobes spreading, oblong, nearly equaling style. Capsule ovoid, 3-valved. Seeds brown, glossy, oblong. Fl. Jul-Aug, fr. Aug.
* Scrub, alpine meadows, under rocks; 3500-4100 m. NE Qinghai.