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Issue: Vol. 697 No. 3: 17 Apr. 2025
Type: Article
Published: 2025-04-17
DOI: 10.11646/phytotaxa.697.3.1
Page range: 219-233
Abstract views: 110
PDF downloaded: 6

Clarification of the taxonomic and nomenclatural confusions with three Gynura names (Asteraceae: Senecioneae) based on Zollinger’s collections from Java, Indonesia

State Key Laboratory of Plant Diversity and Specialty Crops, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China, Key Laboratory of National Forestry and Grassland Administration on Plant Conservation and Utilization in Southern China, Guangzhou 510650, China, South China National Botanical Garden, Guangzhou 510650, China
Research Center for Plant Conservation and Botanic Gardens, Indonesian Institute of Sciences, Bogor 16003, Indonesia
State Key Laboratory of Plant Diversity and Specialty Crops, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China, Key Laboratory of National Forestry and Grassland Administration on Plant Conservation and Utilization in Southern China, Guangzhou 510650, China, South China National Botanical Garden, Guangzhou 510650, China
State Key Laboratory of Plant Diversity and Specialty Crops, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China, Key Laboratory of National Forestry and Grassland Administration on Plant Conservation and Utilization in Southern China, Guangzhou 510650, China, South China National Botanical Garden, Guangzhou 510650, China
Eudicots Java Gynura Senecioneae taxonomy Zollinger

Abstract

Gynura mollis, G. lyrata, and G. densiflora (Asteraceae: Senecioneae) were originally based on Zollinger’s collections from Java, Indonesia, but their identities have long been a source of confusion. In this study, we located their type material and clarify their identities. Our findings show that G. densiflora and G. mollis are conspecific with G. ajakensis, and G. mollis, with the priority, is revealed to be the correct name for this species. Gynura lyrata is conspecific with G. aurantiaca and is treated as a synonym of the latter. In addition, we clarified the cross-labelling issue among three Zollinger gatherings: HZ.442, HZ.606, and H.2592. The issue was caused by Zollinger’s specimen-numbering method and has led to significant nomenclatural and taxonomic confusions. This is also an important reminder to researchers working with Zollinger’s collections. Lastly, G. aurantiaca var. ovata is here synonymized with G. mollis, and lectotypes are designated for G. aurantiaca var. ovata, G. densiflora, and G. mollis.

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How to Cite

Zhu, L.-C., Hariri, M.R., Li, C.-S. & Ren, C. (2025) Clarification of the taxonomic and nomenclatural confusions with three Gynura names (Asteraceae: Senecioneae) based on Zollinger’s collections from Java, Indonesia. Phytotaxa 697 (3): 219–233. https://doi.org/10.11646/phytotaxa.697.3.1