Primulina hengshanensis (Gesneriaceae), a new species from Danxia landform in Hunan, China

Abstract

Primulina hengshanensis, a new species of Gesneriaceae from the Danxia formation in Hunan Province, China, is described and illustrated. The new species is similar to P. langshanica, but has numerous diagnostic features that are outlined. It conservation status is assessed as VU (vulnerable) following IUCN criteria.

Parnassia zhengyuana sp. nov. and P. simianshanensis sp. nov.: two new species of Parnassia (Celastraceae) from karst caves and Danxia landform in southwest China

“…Due to its unique landform and unusual soil traits, and its highly isolated microhabitats, the Danxia landform promote species differentiation (Peng 2001, Wang et al 2015, Tian et al 2018. The special soil environment of karst and Danxia landform poses strong natural selection pressures which, in combination with habitat isolation, promote local differentiations and even speciation (Templeton et al 2001, Frankham et al 2002, Hao 2015, Wu et al 2018.…”