4. Parnassia yulongshanensis T. C. Ku, Bull. Bot. Res., Harbin. 7(1): 25. 1987.
玉龙山梅花草 yu long shan mei hua cao
Stem usually 1, 1.5-2 cm, with 1 leaf near apex. Basal leaves 2-5; petiole ca. 1 cm; leaf blade abaxially greenish, adaxially deep green, ovate-reniform, rarely ovate-cordate, 4-5 × 4-6 mm, inconspicuously 5-veined abaxially, base cordate, apex rounded or obtuse. Cauline leaf sessile, semiamplexicaul, ovate-lanceolate, ca. 4 × 1.5-2 mm, often with 2 or 3 rusty brown appendages at base. Flower 8-9 mm in diam.; hypanthium shortly campanulate. Sepals oblong, rarely ovate, ca. 2.5 × 1.8 mm, base often with rusty brown appendages, margin entire, apex rounded or obtuse. Petals green, oblong, ca. 3 × 1.5 mm, 3-veined, base attenuate into a broad claw ca. 0.5 mm, margin erose proximally, apex rounded. Anthers oblong, ca. 0.8 mm; filaments 0.5-2.8 mm; staminodes dark purple, terete, discoid, ca. 1.5 mm, shorter than stamens, stalk ca. 0.8 × 0.7 mm, lamina ca. 0.6 × 0.9 mm, apex truncate or emarginate, often 1- or 2-dentate centrally. Ovary superior, ovoid. Capsule unknown. Fl. Jul.
* Alpine meadows; 4100-5300 m. NW Yunnan (Lijiang Naxi Zu Zizhixian).