Argostemma tortilobum (Rubiaceae), a new species from Vietnam

KE-YI FANG; YI-HUA TONG; TIEN-CHIN VU; KHANG-SINH NGUYEN; NIAN-HE XIA

doi:10.11646/phytotaxa.567.1.11

Issue: Vol. 567 No. 1: 30 September 2022

Type: Article

Published: 2022-09-30

DOI: 10.11646/phytotaxa.567.1.11

Page range: 105-109

Abstract views: 23

PDF downloaded: 1

Argostemma tortilobum (Rubiaceae), a new species from Vietnam

KE-YI FANG⁺⁻
YI-HUA TONG⁺⁻
TIEN-CHIN VU⁺⁻
KHANG-SINH NGUYEN⁺⁻
NIAN-HE XIA⁺⁻

College of Forestry and Landscape Architecture, South China Agricultural University, 510642, Guangzhou, China

Key Laboratory of Plant Resources Conservation and Sustainable Utilization & Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, 510650, Guangzhou, China; Center of Conservation Biology, Core Botanical Gardens, Chinese Academy of Sciences, Guangzhou, 510650, China

Vietnam National Museum of Nature, Vietnam Academy of Science and Technology, Hanoi, Vietnam; Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Hanoi, Vietnam

Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Hanoi, Vietnam

Key Laboratory of Plant Resources Conservation and Sustainable Utilization & Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, 510650, Guangzhou, China; Center of Conservation Biology, Core Botanical Gardens, Chinese Academy of Sciences, Guangzhou, 510650, China

Du Gia Nature Reserve plant taxonomy star-shaped corolla Eudicots

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Abstract

Argostemma tortilobum, a new species endemic to Vietnam, is described and illustrated. The species is morphologically most similar to A. sarmentosum, but differs in having erect stem without runners, densely pilose peduncle and twisted corolla lobes with ciliate margins.

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