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Mitreola luongii (Loganiaceae), a new species from limestone hill in northern Vietnam

Year: 2026

Type: article

Abstract: A new species of Mitreola (Loganiaceae), M. luongii, is described from limestone area in Tuyen Quang Province, northern Vietnam. Morphologically, it is most similar to M. crystallina, but can be distinguished by its shrub habit, up to 1 m tall (vs. herb, up to 60 cm tall), having terminal and axillary inflorescences (vs. terminal), shorter internode 1.5–5.5 cm long (vs. 6–8 cm long), shorter peduncles 0.5–1.5 cm long (vs. ca. 6 cm long), smaller leaf size 5.5–10.5 × 2–4.5 cm (vs. 15–20 × 5–7 cm) and longer corolla tube 4–4.5 mm long (vs. 4 mm long).

Source: Phytotaxa

DOI: 10.11646/phytotaxa.776.2.3

Authors: HIROKI MORIWAKI, SHUICHIRO TAGANE, QUOC TRONG PHAM, PHETLASY SOULADETH, THYRAPHON VONGTHAVONE, DEUANTA KONGXAISAVATH, PHONGPHAYBOUN PHONEPASEUTH, HANAKA NAITO, KAITO YAMAZAKI, THANH THUONG LENH, VAN-SON DANG

Institutions: Japan Wildlife Research Center, Kagoshima University, Kagoshima University Museum, Viện Khoa học sự sống, Vietnam Academy of Science and Technology, National University of Laos, Association for Community Development, Tokyo Metropolitan University, Tokushima Prefectural Museum

Language: English

Topic: Plant and Fungal Species Descriptions

Subfield: Ecology, Evolution, Behavior and Systematics

Field: Agricultural and Biological Sciences

Domain: Life Sciences

Open Access status: bronze

Funder: Nagao Natural Environment Foundation

OpenAlex ID: W7214068784

FWCI:

Cites: 12

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Related to: 10