VAN TOAN EM QUACH

ORCID: 0000-0003-2492-0904
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About
Contact & Profiles
Research Areas
  • Plant and Fungal Species Descriptions
  • Ethnobotanical and Medicinal Plants Studies
  • Plant Diversity and Evolution
  • Alkaloids: synthesis and pharmacology
  • Traditional and Medicinal Uses of Annonaceae

Colorado Springs School District 11
2023

Faculty (United Kingdom)
2023

University of Education
2023

Psychotria honbaensis, a new species belonging to Psychotria, Rubiaceae from Hon Ba Nature Reserve, Khanh Hoa Province, is described as science. It easily distinguished the other of Psychtoria in Vietnam and surrounding countries by its bacterial nodules on abaxial surface lamina, ovate-triangular stipules, inflorescence with winged-peduncle, yellowish flowers. A standard description, color plates, distribution, habitat, proposed conservation status, taxonomic notes, morphological comparison...

10.11646/phytotaxa.698.4.6 article EN Phytotaxa 2025-05-01

A new species, Psychotria ngotphamii (sect. Psychotrieae), is described and illustrated from Bidoup - Nui Ba National Park, Lam Dong Province, Vietnam. most similar to P. bonii Pit. but distinguished by its smaller leaf blades, shorter petioles, longer calyx corolla lobes, larger fruits. Photographs, vernacular name, preliminary conservation assessment, a table comparing with closest allies are provided.

10.11646/phytotaxa.618.2.8 article EN Phytotaxa 2023-10-02

Lasianthus kbangensis V.S.Dang, Vuong & Naiki, a new species belonging to sect. Nudiflorae of Rubiaceae from the Central Highlands Vietnam, is described and illustrated. This similar L. oblongilobus H. Zhu, but differs in having larger leaves, longer petioles, smaller calyx (calyx lobes) corolla, color ripen fruits. A table comparing closely related provided.

10.11646/phytotaxa.541.3.9 article EN Phytotaxa 2022-03-29
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