Yersinochloa nghiana, a new species (Poaceae, Bambusoideae, Bambuseae) from southern Vietnam

By Tran Thai Vinh^1,2, Nong Van Duy^1,2, Hoang Thanh Truong³ , Tran Van Tien⁴

¹ Tay Nguyen Institute for Scientific Research, Vietnam Academy of Science and Technology, Da Lat City, Vietnam

² Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Da Lat City, Vietnam

³ Vietnam Forest Science Institute of Central Highlands and South of Central Vietnam, Vietnam Academy of Forest Science, Da Lat City, Lam Dong Province, Vietnam

⁴  Dalat University, Da Lat City, Lam Dong Province, Vietnam

Abstract

Yersinochloa nghiana sp. nov. from Vietnam is described and illustrated. It is found from southern Vietnam, where it occurs at an elevation of 1130 m in Braian Mountain, Di Linh District, Lam Dong Province. This new species is distinguished from a similar species, Yersinochloa dalatensis, by culm nodes with a thick swollen patella, culm leaf blades erect, auricles conspicuous, margins bearing long hairs, palea dorsal view showing rachilla extension and rudimentary floret at the apex and lodicules bifid at the base.

Keywords: new species, Vietnam, Yersinochloa

Sources: PhytoKeys 224, 175-182. https://doi.org/10.3897/phytokeys.224.101201