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Issue: Vol. 452 No. 2: 14 July 2020
Type: Article
Published: 2020-07-14
DOI: 10.11646/phytotaxa.452.2.3
Page range: 137–154
Abstract views: 23
PDF downloaded: 1

Thalictrum mairei (Ranunculaceae) is synonymous with T. foliolosum, not T. leuconotum

Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, Guangdong, China. Center of Conservation Biology, Core Botanical Gardens, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, Guangdong, China. University of Chinese Academy of Sciences, Beijing 100049, China
Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, Guangdong, China. Center of Conservation Biology, Core Botanical Gardens, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, Guangdong, China.
Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, Guangdong, China. Center of Conservation Biology, Core Botanical Gardens, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, Guangdong, China.
China lectotypification morphology new synonymy taxonomy Yunnan Eudicots

Abstract

Thalictrum mairei (Ranunculaceae) has been previously placed in synonymy with T. leuconotum based on non-type material of the former name. Critical examination of the type material of T. mairei reveals that it is actually synonymous with T. foliolosum, not T. leuconotum. We therefore reduce T. mairei to the synonymy of T. foliolosum herein. We also clarify morphological distinction among T. leuconotum, T. sinomacrostigma, T. uncatum var. angustialatum and T. uncatum var. uncatum. Lectotypification is proposed for T. falconeri (another synonym of T. foliolosum) and T. foliolosum.