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Article
Published: 2022-03-08

Supplementary description of floral characters and nomenclatural note for the rare maple Acer yui W.P.Fang (Sapindaceae) from western China

Chengdu University of Technology, Chengdu 610059, Sichuan, China; Sichuan Academy of Forestry, Chengdu 610084, Sichuan, China
Sichuan Academy of Botanical Engineering, Neijiang 641200 Sichuan, China
Chengdu University of Technology, Chengdu 610059, Sichuan, China
Sichuan Academy of Forestry, Chengdu 610084, Sichuan, China
Acer buergerianum flora of China floral character nomenclature taxonomy threatened species Eudicots

Abstract

The floral characters of Acer yui are supplemented based on living plants flowering in April from the type locality. It is distinguishable based on both vegetative and floral characters between the two morphologically similar species, A. buergerianum and A. yui. Contrary to general consideration that the holotype is at PE, A. yui did not have a holotype designated when being described. It was later inadvertently lectotypified by Fang in 1939 and the single specimen traced meets that designation should be the lectotype, and the other duplicates are isolectotypes.

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