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Issue: Vol. 732 No. 1: 3 Dec. 2025
Type: Article
Published: 2025-12-03
DOI: 10.11646/phytotaxa.732.1.7
Page range: 76-82
Abstract views: 46
PDF downloaded: 4

Gastrodia dayaoshanensis (Orchidaceae: Gastrodieae), a new species from Guangxi, China

Guangxi Forestry Inventory and Planning Institute, Nanning 530011, Guangxi, China
Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin 541006, Guangxi, China
Administration Center of Dayaoshan National Nature Reserve, Laibin 545700, Guangxi, China
Gesneriad Conservation Center of China (Hunan), Hunan Botanical Garden, Changsha 410116, Hunan, China
Central South Academy of Inventory and Planning of NFGA,Changsha 410007, Hunan, China
Jindong Forest Farm of Yongzhou City, Yongzhou 426191, Hunan, China
Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin 541006, Guangxi, China
Central South University of Forestry & Technology, Changsha 410004, Hunan, China
Holomycotrophic orchids plant morphology new taxon self-pollination Monocots

Abstract

Gastrodia dayaoshanensis, a new species from Dayaoshan National Nature Reserve, Guangxi, China is described and illustrated. The new species is morphologically similar to G. peichatieniana, G. longistyla and G. menghaiensis, but can be distinguished from G. peichatieniana mainly by its brown flowers, sepals and petals entire or with a few teeth at margin, united portion of lip with 2 ridges, and from G. longistyla mainly by its wider free portions of sepals, united portion of lip with 2 ridges, stigma without appendage, and from G. menghaiensis mainly by its brown and straight perianth tube, sepals and petals entire or with a few teeth at margin, united portion of lip without calli. A detailed taxonomical description along with photoplates and a comparison with the allied species have been provided to aid in easy identification.

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How to Cite

Li, X., Huang, Y.-S., Sun, Z., Zhu, L., Xie, Y., Liu, K., Qin, Y. & Liu, A. (2025) Gastrodia dayaoshanensis (Orchidaceae: Gastrodieae), a new species from Guangxi, China. Phytotaxa 732 (1): 76–82. https://doi.org/10.11646/phytotaxa.732.1.7