濒危等级:It is only found in Southeast Yunnan restrict in Daweishan area (Heckou county and neighboring Maguan county) with less than 50 individuals counted at four sites during years (2013-2020) of expeditions in the whole range of Daweishan National Nature Reserve. It could be temporarily classified as Endangered (EN) according to the IUCN Red List categories with limited distribution in an area <100 km2 (criterion B) (IUCN 2010).
模式标本:CHINA. Yunnan: Hekou County, Daweishan National Nature Reserve, on limestone hillside, rare, elev. ca. 210 m, in flowers, 1 March 2013, G. L. Zhang 2013001 (holotype SWFC0072399!; isotypes SWFC0072400!, KUN1347143 & KUN1348014!).