Mitreola bullata sp. nov. (Loganiaceae), a new species from Yunnan, China

Mitreola bullata sp. nov. (Loganiaceae), a new species from southeastern Yunnan, China, is described and illustrated. This species is somewhat close to M. yangchunensis, but differs by its low height, leaf blades bullate and densely pilose on both surface, petioles longer and purple or green, veins on abaxial surface purple, and calyces glabrous and purplish red. A key to all the species of Mitreola in China is provided.

Automated summary

A new species, Mitreola bullata sp. nov. (Loganiaceae), was discovered in southeastern Yunnan, China, and is described and illustrated in this study. This species shows similarities to M. yangchunensis but can be differentiated by its characteristics such as low height, bullate leaf blades with dense pilosity, longer purple or green petioles, purple veins on the abaxial surface, and glabrous purplish red calyces. Additionally, a key to all Mitreola species in China is provided for classification purposes.