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Issue: Vol. 669 No. 3: 23 Oct. 2024
Type: Article
Published: 2024-10-23
DOI: 10.11646/phytotaxa.669.3.3
Page range: 211-232
Abstract views: 53
PDF downloaded: 9

Clematis chengguensis and C. retusifolia (Ranunculaceae), both described from Shaanxi of China, are merged with C. armandi, a widely distributed species in the country

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. 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. 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.
Clematis armandi var. kiangnanensis Clematis finetiana Clematis jialasaensis Clematis sinii misidentification morphology new synonymy taxonomy Eudicots

Abstract

Based on critical observations of both herbarium specimens (including type material when available) and living plants in the wild, we demonstrate that Clematis chengguensis and C. retusifolia (Ranunculaceae), both described from Shaanxi, China, are not essentially different from C. armandi in any characters, a species widely distributed in the country and morphologically highly variable. We therefore place both of them in synonymy with C. armandi herein. We also determine that the previous records of the occurrence of C. finetiana in Shaanxi have resulted from misidentifications of specimens of C. armandi. In addition, we reveal that C. armandi var. kiangnanensis, which has been previously reduced to the synonymy of C. armandi, may actually belong to C. finetiana.

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