西南金丝桃(原亚种) xi nan jin si tao (yuan ya zhong)

Stems erect to arching or divaricate, ± persistently 4-lined, not or weakly frondose. Leaves ovate-lanceolate or rarely ellip- tic to broadly ovate, base cuneate to rounded, apex acute to apiculate-obtuse or rounded. Inflorescence 1-7-flowered. Flowers 2-4 cm in diam. Sepals broadly oblong or broadly elliptic to broadly ovate or circular, margin subentire to eroded-denticulate, apex rounded-apiculate to rounded. Petals broadly ovate, 1-2.2 cm. Styles 4-5 mm, ca. 0.9 × as long as ovary. Capsule broadly ovoid.

● 1500-2600 m. C Guizhou (Guiyang, Pingba), S Sichuan ("Paiyentsing"), N Yunnan.

The locality in S Sichuan may be Baiyanjin, a small locality actually in Yanjin Xian in NE Yunnan, close to the Sichuan border.