Heterostemma tongbiguanense (Apocynaceae, Asclepiadoideae), a new species from Yunnan, China

Phytotaxa 2026

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Authors: RONG-CONG YANG, YI-QIANG YIN, ZHENG-HUA YANG, Fawang Yin, YONG-SHENG ZHANG, YUN-HUI ZHANG, An-Ru Zuo, Jianyong Shen
DOI: 10.11646/phytotaxa.740.2.9
Cited by: 0

Abstract

Heterostemma tongbiguanense (Apocynaceae), a new species from Yunnan Tongbiguan Provincial Nature Reserve, Yunnan Province, China, is described and illustrated. It is similar to H. cucphuongense T. B. Tran & Rodda and H. tanjorense Wight & Arn.; morphological differences are mainly in the stems and leaves with densely brown-yellow tomentose, corona apically serrated, below middle are papillae on both sides. Photographs, distribution, comparison with related species, and a conservation assessment are provided for this rarely observed species.

Fields of Study & Subjects

Plant and Fungal Species Descriptions Plant Diversity and Evolution Botany and Plant Ecology Studies

Publication details

Journal / source
Phytotaxa
Volume
740
Issue
2
Pages
212–216
Publication date
4 February 2026