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Issue: Vol. 776 No. 2: 24 Sept. 2026
Type: Article
Published: 2026-09-24
DOI: 10.11646/phytotaxa.776.2.4
Page range: 173-182
Abstract views: 22
PDF downloaded: 0

Calanthe dingjieensis (Orchidaceae, Epidendroideae), a new species from Xizang, China

College of Ecological Environment; Xizang University; Lhasa 850000; China; State Key Laboratory of Plant Diversity and Specialty Crops; Wuhan Botanical Garden; Chinese Academy of Sciences; Wuhan 430074; China; Sino-Africa Joint Research Center; Chinese Academy of Sciences; Wuhan 430074; China
College of Ecological Environment; Xizang University; Lhasa 850000; China; State Key Laboratory of Plant Diversity and Specialty Crops; Wuhan Botanical Garden; Chinese Academy of Sciences; Wuhan 430074; China; Sino-Africa Joint Research Center; Chinese Academy of Sciences; Wuhan 430074; China; Island Research Center; Ministry of Natural Resources; Pingtan 350400; China
State Key Laboratory of Plant Diversity and Specialty Crops; Wuhan Botanical Garden; Chinese Academy of Sciences; Wuhan 430074; China; Sino-Africa Joint Research Center; Chinese Academy of Sciences; Wuhan 430074; China; University of Chinese Academy of Sciences; Beijing 100049; China
State Key Laboratory of Plant Diversity and Specialty Crops; Wuhan Botanical Garden; Chinese Academy of Sciences; Wuhan 430074; China; Sino-Africa Joint Research Center; Chinese Academy of Sciences; Wuhan 430074; China
State Key Laboratory of Plant Diversity and Specialty Crops; Wuhan Botanical Garden; Chinese Academy of Sciences; Wuhan 430074; China; Sino-Africa Joint Research Center; Chinese Academy of Sciences; Wuhan 430074; China; Hubei Jiangxia Laboratory; Wuhan 430200; China
State Key Laboratory of Plant Diversity and Specialty Crops; Wuhan Botanical Garden; Chinese Academy of Sciences; Wuhan 430074; China; Sino-Africa Joint Research Center; Chinese Academy of Sciences; Wuhan 430074; China
State Key Laboratory of Plant Diversity and Specialty Crops; Wuhan Botanical Garden; Chinese Academy of Sciences; Wuhan 430074; China; Sino-Africa Joint Research Center; Chinese Academy of Sciences; Wuhan 430074; China
Monocots Calanthe morphology taxonomy Xizang

Abstract

Calanthe dingjieensis, a new species discovered in southwestern Xizang, China, is described and illustrated. It is morphologically similar to C.tricarinata, but can be easily distinguished by its conical pseudobulbs, a lip with variable color, and an obovate mid-lobe with an acuminate apex. Molecular phylogenetic analyses based on concatenated sequences of nrITS and three chloroplast regions (matK, trnL-trnF, and rbcL) reveal that C. dingjieensis represents a distinct lineage from its closely related congeners. Combined with morphological and geographical evidence, these results support its recognition as a distinct species.

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How to Cite

Su, J.-Z., Li, R.-P., Wang, L., Tian, J., Hu, G.-W., Peng, S. & Wang, Q.-F. (2026) Calanthe dingjieensis (Orchidaceae, Epidendroideae), a new species from Xizang, China. Phytotaxa 776 (2): 173–182. https://doi.org/10.11646/phytotaxa.776.2.4