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Issue: Vol. 644 No. 4: 17 Apr. 2024
Type: Article
Published: 2024-04-17
DOI: 10.11646/phytotaxa.644.4.2
Page range: 258-270
Abstract views: 41
PDF downloaded: 0

Sedum xunvense, a new species from Southeast China

Forestry Technology Promotion Station in Jiangshan City, Zhejiang Province, 324100, China
Laboratory of Systematic and Evolutionary Botany and Biodiversity, College of Life Sciences, Zhejiang University, Hangzhou, 310058, China
Zhejiang Museum of Natural History, Zhejiang, Hangzhou, 310014, China
Center for Medicinal Resources Research, Zhejiang Academy of Traditional Chinese Medicine, Zhejiang, Hangzhou, 310007, China
Eastern China Conservation Center for Wild Endangered Plant Resources, Shanghai Chenshan Botanical Garden, Shanghai, 201602, China
Zhejiang Museum of Natural History, Zhejiang, Hangzhou, 310014, China
Laboratory of Systematic and Evolutionary Botany and Biodiversity, College of Life Sciences, Zhejiang University, Hangzhou, 310058, China
Crassulaceae plastome Sedum formosanum Southeast China Zhejiang Eudicots

Abstract

In this paper, Sedum xunvense is described as a new species from Zhejiang, Southeast China. Sedum xunvense is morphologically similar to S. formosanum, but the latter differs in clustered and robust stems (vs. solitary, slender), green or slightly red smooth stems and inflorescence rachises (vs. purple-red and ribbed), thick and succulent leaves (vs. thin), yellow anthers (vs. reddish-brown), erect follicles (vs. oblique), and is found in dry habitats in rock crevices (vs. damp ravines, rocks and mossy thickets). A reconstructed ML phylogeny of Sedum, based on nrITS sequence data, strongly suggests that S. xunvense forms an independent clade that is sister to a larger clade of many species, including S. formosanum.

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