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Pternopetalum paucifoliolatum (Apiaceae), a new Critically Endangered species from Sichuan, China
PhytoKeys ( IF 1.3 ) Pub Date : 2020-11-13 , DOI: 10.3897/phytokeys.166.54646 Jian-Fei Ye , Liang Chen , Zhang-Jian Shan , Xiao-Jie Li , Ce-Hong Li
PhytoKeys ( IF 1.3 ) Pub Date : 2020-11-13 , DOI: 10.3897/phytokeys.166.54646 Jian-Fei Ye , Liang Chen , Zhang-Jian Shan , Xiao-Jie Li , Ce-Hong Li
Pternopetalum paucifoliolatum, a new species from Sixigou Scenic Area, Emeishan City, Sichuan Province, is proposed and described. Diagnostic morphological characters, full description, detailed illustrations, and a distribution map are provided. The new species is similar to P. porphyronotum in possessing the 1-pinnate leaves and the abaxially purple-red leaflets, but differs from the latter by shorter stature, fewer leaflets ((1–) 3–7) and rays (5–8), the leaflet margin white-ciliate. The new species, which is assessed as Critically Endangered (CR), was only found on limestone cliffs. We also provide a new key to the species of Pternopetalum.
更新日期：2020-11-13
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