Gentianella macrosperma, a new species of Gentianella (Gentianaceae) from Xinjiang, China

Hai-Feng Cao; Ji-Dong Ya; Qiao-Rong Zhang; Xiao-Jian Hu; Zhi-Rong Zhang; Xin-Hua Liu; Yong-Cheng Zhang; Ai-Ting Zhang; Wen-Bin Yu

doi:10.3897/phytokeys.130.35476

Gentianella macrosperma, a new species of Gentianella (Gentianaceae) from Xinjiang, China

PhytoKeys. 2019 Aug 29:130:59-73. doi: 10.3897/phytokeys.130.35476. eCollection 2019.

Authors

Hai-Feng Cao¹, Ji-Dong Ya², Qiao-Rong Zhang², Xiao-Jian Hu², Zhi-Rong Zhang², Xin-Hua Liu³, Yong-Cheng Zhang⁴, Ai-Ting Zhang⁵, Wen-Bin Yu^{6

7}

Affiliations

¹ Shanghai Museum of TCM, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China Shanghai University of Traditional Chinese Medicine Shanghai China.
² Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Lanhei Road 132, Heilongtan, Kunming, Yunnan, 650201, China Kunming Institute of Botany, Chinese Academy of Sciences Kunming China.
³ Ili Botanical Garden, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Xinyuan, Xinjiang, 835815, China Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences Xinyuan China.
⁴ Forestry Bureau of Xinyuan County, Xinyuan, Xinjiang, 835800, China Forestry Bureau of Xinyuan County Xinyuan China.
⁵ Xinjiang Agricultural Broadcasting and Television School, Xinyuan, Xinjiang, 835800, China Xinjiang Agricultural Broadcasting and Television School Xinyuan China.
⁶ Center for Integrative Conservation, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla 666303, Yunnan, China Xishuangbanna Tropical Botanical Garden Mengla China.
⁷ Center of Conservation Biology, Core Botanical Gardens, Chinese Academy of Sciences, Mengla 666303, Yunnan, China Center of Conservation Biology, Core Botanical Gardens Mengla China.

Abstract

Gentianella macrosperma Ma ex H.F. Cao, J.D. Ya & Q.R. Zhang, a new species of Gentianaceae from Xinjiang, Northwest China is described and illustrated. This new species is unique in having equal length of corolla lobe and corolla tube, nectaries located at the throat of the corolla tube and large seeds up to 1.6 mm in diameter. In addition, an updated identification key to the Chinese species of Gentianella is provided.

Keywords: Gentianella; Swertiinae; ITS; Morphology; Taxonomy; Xinjiang; matK.