LAUSR

Oreocharis uniflora , a new species of Gesneriaceae from Guangdong, China, is described and illustrated. The new species is morphologically similar to O. striata and O. lungshengensis , but differs mainly by its white villous leaf blades and petioles, 1-flowered cymes, shorter peduncles (1.8–3.5 cm long), 3–5-serrate calyx lobes, pale purple to reddish purple corollas, inside with longitudinally purple striations, campanulate-tubular corolla tubes, 4 free stamens, and 1 disc-shaped stigma. Based on the current information, O. uniflora should be considered as ‘Critically Endangered’ (CR), following the IUCN categories and criteria.