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Issue: Vol. 497 No. 2: 20 April 2021
Type: Article
Published: 2021-04-20
DOI: 10.11646/phytotaxa.497.2.3
Page range: 97–112
Abstract views: 29
PDF downloaded: 1

Thalictrum brevisericeum var. pentagynum (Ranunculaceae), a new synonym of T. uncinulatum from 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 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
Eudicots lectotypification morphology Sichuan taxonomy

Abstract

Based on critical observations on both herbarium specimens (including type material) and living plants in the wild, we demonstrate that Thalictrum brevisericeum var. pentagynum, described recently from Heishui county in northwestern Sichuan province, China, is identical with T. uncinulatum, a widely distributed Chinese species. We therefore reduce T. brevisericeum var. pentagynum as a synonym of T. uncinulatum herein. Lectotypification is proposed for T. uncinulatum.