蒙自金丝桃 meng zi jin si tao

Stems erect, sometimes becoming 2-lined, rarely weakly frondose. Leaves narrowly elliptic or lanceolate to ovate-oblong, base angustate to rounded, apex acute to obtuse. Inflorescence 1-6-flowered. Flowers 2.5-5 cm in diam. Sepals (at least outer) broadly elliptic or broadly oblong to circular, margin entire, apex obtuse to rounded-apiculate. Petals 1.4-2.5 cm, narrowly to broadly obovate. Styles 4-6 mm, 0.8-1.2 × as long as ovary. Capsule narrowly ovoid-pyramidal to broadly ovoid.

1300-2000 m. S and SE Yunnan [Indonesia (Sumatra), Myanmar, Thailand, N Vietnam].