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Issue: Vol. 780 No. 2: 15 Oct. 2026
Type: Article
Published: 2026-10-15
DOI: 10.11646/phytotaxa.780.2.2
Page range: 143-154
Abstract views: 15
PDF downloaded: 0

Sedum pingyuanense (Crassulaceae), a new species endemic to danxia landscape from Guangdong Province, China

State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources; School of Life Sciences; Sun Yat-sen University; 135 Xingang West Rd; Guangzhou 510275; China; National Park and Nature Education Research Institute; Sun Yat-sen University; Guangzhou 510275; China; Guangzhou Zhixin High School Pazhou Experimental School; Guangzhou 510220; China
State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources; School of Life Sciences; Sun Yat-sen University; 135 Xingang West Rd; Guangzhou 510275; China; National Park and Nature Education Research Institute; Sun Yat-sen University; Guangzhou 510275; China
Pingyuan Wuzhishi Provincial Scenic Spot; Meizhou 514625; China
Pingyuan Forestry Bureau; Meizhou 514699; China
State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources; School of Life Sciences; Sun Yat-sen University; 135 Xingang West Rd; Guangzhou 510275; China; National Park and Nature Education Research Institute; Sun Yat-sen University; Guangzhou 510275; China
State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources; School of Life Sciences; Sun Yat-sen University; 135 Xingang West Rd; Guangzhou 510275; China; National Park and Nature Education Research Institute; Sun Yat-sen University; Guangzhou 510275; China
Sedum sect. Sedum, danxia landscape, nrITS, morphology, phylogeny Eudicots Sedum sect. Sedum danxia landscape nrITS morphology phylogeny

Abstract

Sedum pingyuanense J.M. Dai, W.B. Liao & Q. Fan, a new species from the danxia landscape in Pingyuan County, Guangdong Province, is illustrated and described here. Phylogenetic analysis based on the internal transcribed spacer (ITS) region of nrDNA indicates that this new species belongs to S. sect. Sedum sensu Fu and Ohba (2001) in Flora of China, and is sister to S. polytrichoides var. setouchiense, with high support values (BS = 96, PP =0.98). Despite this close relationship, the two species are clearly distinct. S. pingyuanense has opposite phyllotaxy, unlike the alternate arrangement in S. polytrichoides complex. Morphologically, S. pingyuanense resembles S. jinglanii in having opposite leaves but differs in leaf shape (narrow-lanceolate to oblong vs. spatulate or obovate), inflorescence (few-flowered vs. dense terminal cymes), and anther color (yellow vs. brownish red).

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How to Cite

Dai, J.-M., Huang, Y.-S., Li, X.-Q., Lan, X.-Z., Liao, W.-B. & Fan, Q. (2026) Sedum pingyuanense (Crassulaceae), a new species endemic to danxia landscape from Guangdong Province, China. Phytotaxa 780 (2): 143–154. https://doi.org/10.11646/phytotaxa.780.2.2