Novelties in Asian Mitreola (Loganiaceae): M. capitata, a new species from Vietnam, and lectotypification of M. spathulifolia

MAXIM S. NURALIEV; DMITRY F. LYSKOV; ANDREY N. KUZNETSOV; SVETLANA P. KUZNETSOVA; LONG-FEI FU

doi:10.11646/phytotaxa.585.1.4

Issue: Vol. 585 No. 1: 23 February 2023

Type: Article

Published: 2023-02-23

DOI: 10.11646/phytotaxa.585.1.4

Page range: 39–47

Abstract views: 109

PDF downloaded: 5

Novelties in Asian Mitreola (Loganiaceae): M. capitata, a new species from Vietnam, and lectotypification of M. spathulifolia

MAXIM S. NURALIEV⁺⁻
DMITRY F. LYSKOV⁺⁻
ANDREY N. KUZNETSOV⁺⁻
SVETLANA P. KUZNETSOVA⁺⁻
LONG-FEI FU⁺⁻

Joint Russian-Vietnamese Tropical Scientific and Technological Center, Nguyen Van Huyen str., Cau Giay, Hanoi, Vietnam, Department of Higher Plants, Biological Faculty, M.V. Lomonosov Moscow State University, 1, 12, Leninskie Gory, 119234 Moscow, Russia

Joint Russian-Vietnamese Tropical Scientific and Technological Center, Nguyen Van Huyen str., Cau Giay, Hanoi, Vietnam, A.N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences, 33 Leninsky av., 119071 Moscow, Russia, Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, 541006 Guilin, China

Joint Russian-Vietnamese Tropical Scientific and Technological Center, Nguyen Van Huyen str., Cau Giay, Hanoi, Vietnam

Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, 541006 Guilin, China

Eudicots China limestone karst Phong Nha-Ke Bang National Park

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Abstract

Mitreola capitata, a new species of Loganiaceae, is described and illustrated. The species was discovered in 2022 during a botanical survey of Phong Nha-Ke Bang National Park (Quang Binh Province, northern Vietnam), where it inhabits a steep limestone rock. Mitreola capitata is remarkable for its habit that includes a leaf-rosette, compact head-like inflorescence with long peduncle and prominent indumentum of most plant parts. The new species is most similar to M. spathulifolia, differing by smaller leaves, dense and compact inflorescence, shorter pedicel, hairy calyx and smaller capsule. Typification of M. spathulifolia is revised, and a lectotype is selected.

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