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Issue: Vol. 591 No. 2: 4 April 2023
Type: Article
Published: 2023-04-04
DOI: 10.11646/phytotaxa.591.2.9
Page range: 171-176
Abstract views: 147
PDF downloaded: 6

Ophiopogon muongnhensis (Asparagaceae, Convallarioideae), a new species from northwest Vietnam

Laboratory of Ecology and Environmental Management, Science and Technology Advanced Institute, Van Lang University, Ho Chi Minh City, Vietnam. Faculty of Applied Technology, School of Technology, Van Lang University, Ho Chi Minh City, Vietnam
98-11 Otsuka, Hachioji, Tokyo, 192-0352, Japan
Komarov Botanical Institute, Russian Academy of Sciences, Prof. Popov Str. 2, St. Petersburg, 197376, Russia
Komarov Botanical Institute, Russian Academy of Sciences, Prof. Popov Str. 2, St. Petersburg, 197376, Russia
Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay, Hanoi, 100000, Vietnam
Vietnam National University of Forestry, Xuan Mai, Chuong My, Ha Noi, Vietnam
Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay, Hanoi, 100000, Vietnam. Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Hanoi, Vietnam
Dien Bien Province Ophiopogon griffithii plant geography plant taxonomy Monocots

Abstract

Ophiopogon muongnhensis, a new species from Dien Bien Province, NW Vietnam, is described and illustrated. In having slenderly petioled clavate leaves it is most similar to O. griffithii originally described from NE India, but clearly distinguishable mainly by its wider (1.8–2.9 vs. 0.3–1.9 cm) leaf blades, wider (3.5–7.5 vs. 2–2.8 mm), obliquely (vs. explanately) expanded perianth lobes, and free narrowly deltoid (vs. laterally connate, linear-lanceolate) anthers. Notes on the habitat, conservation status, phenology, and taxonomic relationships with congeners were also provided.

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