西藏梅花草 xi zang mei hua cao

Stems 1 or 2, ca. 12 cm, with 1 leaf proximally. Basal leaves usually 2 or 3(or 4); petiole ca. 1.5 cm; leaf blade abaxially greenish, adaxially brown-green, ovate-oblong, 1.5-2.3 × 1-1.4 cm, base truncate or broadly cuneate, apex acute. Cauline leaf sessile, semiamplexicaul, similar to basal ones, often with several rusty brown appendages at base. Flower ca. 1 cm in diam.; hypanthium campanulate. Sepals ovate, ca. 6 × 3 mm, 5-veined, margin entire, apex rounded. Petals yellow, obovate or oblong, 8-10 × 5-6 mm, 5-7-veined, margin entire, apex rounded. Anthers oblong, 0.5-1 mm; filaments flat; staminodes flat, ca. 3.2 mm, stalk ca. 1.2 mm, lamina ca. 2 × 2.8 mm, 3-lobed for 1/5-1/4(-1/2) its length, lobes shortly linear, apex truncate or rounded. Ovary ovoid; styles ca. 1 mm, 3-lobed at apex. Capsule unknown. Fl. Aug.

* Tsuga forests; ca. 3700 m. S Xizang.