Premna vietnamensis (Lamiaceae, Premnoideae), a distinct new species from the Central Highlands of Vietnam

Do Van Hai; Dao-Zhang Min; Nguyen Sinh Khang; Yun-Hong Tan; Pham Thi Kim Thoa; Gemma L C Bramley; Rogier P J de Kok; Bo Li

doi:10.1371/journal.pone.0195811

Premna vietnamensis (Lamiaceae, Premnoideae), a distinct new species from the Central Highlands of Vietnam

PLoS One. 2018 May 2;13(5):e0195811. doi: 10.1371/journal.pone.0195811. eCollection 2018.

Authors

Do Van Hai¹, Dao-Zhang Min², Nguyen Sinh Khang¹, Yun-Hong Tan^{3

4}, Pham Thi Kim Thoa⁵, Gemma L C Bramley⁶, Rogier P J de Kok⁷, Bo Li²

Affiliations

¹ Institute of Ecology and Biological Resources, Vietnam Academy of Science & Technology, Cau Giay, Hanoi, Vietnam.
² College of Agronomy, Jiangxi Agricultural University, Nanchang, Jiangxi, China.
³ Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw, Myanmar.
⁴ Center for Integrative Conservation, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla, Yunnan, China.
⁵ Faculty of Environment, Danang University of Science and Technology, Danang, Vietnam.
⁶ Herbarium, Royal Botanic Gardens Kew, Richmond, Surrey, United Kingdom.
⁷ Singapore Botanic Gardens, National Parks Board, Singapore, Singapore.

Abstract

Premna vietnamensis, a distinct new species which is endemic to Gia Lai Province in Central Highlands of Vietnam, is described and illustrated. It is characterized by its calyx tube bearing a semi-globose fleshy appendage, which has not been reported before from all known congeneric taxa, as well as from the Lamiaceae. A phylogenetic analysis of the whole Lamiaceae based on a sampling including representatives from all 12 currently recognized subfamilies confirmed the placement of this new species within Premna of the Premnoideae. Morphologically and geographically, P. vietnamensis is most similar to P. stenobotrys, but differs significantly in many aspects.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

DNA, Plant / genetics
Lamiaceae / classification*
Lamiaceae / genetics
Phylogeny*
Sequence Analysis, DNA
Vietnam

Substances

DNA, Plant

Grants and funding

This work was supported by the National Natural Science Foundation of China: granted to BL, grant no. 31460044, http://www.nsfc.gov.cn/. The funder is fully responsible for the study design, data collection and analysis, decision to publish, and preparation of the manuscript.