Lonicera longiflora (Caprifoliaceae),  A NEW RECORD FOR THE FLORA OF VIETNAM

Phạm Thành Trang; Đỗ Văn Trường; Nguyễn Thị Thu; Phùng Thị Tuyến; Phan Văn Dung; Tạ Thị Nữ Hoàng; Lê Chí Toàn

doi:10.34238/tnu-jst.8745

Lonicera longiflora (Caprifoliaceae), A NEW RECORD FOR THE FLORA OF VIETNAM

About this article

Received: 12/09/23 Revised: 30/10/23 Published: 07/11/23

Authors

1. Pham Thanh Trang, Vietnam National University of Forestry
2. Do Van Truong, Vietnam National Museum of Nature
3. Nguyen Thi Thu, Vietnam National University of Forestry
4. Phung Thi Tuyen, Vietnam National University of Forestry
5. Phan Van Dung, Vietnam National University of Forestry
6. Ta Thi Nu Hoang, Vietnam National University of Forestry
7. Le Chi Toan , Hanoi Pedagogical University 2

Abstract

In this study, a unique species was collected in 2016 in Muong La Nature Reserve, Son La province, Northern Vietnam. This species differs from all other known Lonicera species in Vietnam by its recurved to coiled lower lip, and stamens and style long exserted from corolla tube. After consulting the relevant taxonomic literature, comparing with herbarium specimens, and double-checking on digital herbarium database, the species was identified as Lonicera longiflora (Lindley) Candolle. The species has been previously only known from China, and now firstly reported for the flora of Vietnam. A description and photographs are provided, together with short notes on the phenology, distribution, and ecology of Lonicera longiflora. Additionally, a morphological comparison with Lonicera hildebrandiana Collett & Hemsl. and Lonicera bournei Hemsl., and a key to Lonicera species in Vietnam are provided. The newly recorded species in this study pushes the total of Lonicera species in Vietnam to eleven.

Keywords

Muong La Nature Reserve; Northern Vietnam; Son La; New record; Taxonomy

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DOI: https://doi.org/10.34238/tnu-jst.8745

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