Primula calyptrata, a New Species in Section Carolinella (Primulaceae) from Yunnan, China

Abstract

Primula calyptrata X. Gong & R. C. Fang (Primulaceae) is described and illustrated. Analysis of its habitat, distribution, and capsule morphology indicates that this species is a member of Primula sect. Carolinella (Helmsley) Pax, which is endemic to humid subtropical regions of Yunnan, China, northern Vietnam, and Thailand, and characterized by an unusual calyptrate capsule.