Nguyen Hoang Tuan

Nguyen Hoang Tuan
Hanoi University of Pharmacy · Department of Pharmacognosy

Assoc. Prof. PhD.

About

27
Publications
50,054
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144
Citations
Introduction
Skills and Expertise
Additional affiliations
January 2000 - December 2015
Hanoi University of Pharmacy
Position
  • Research Director

Publications

Publications (27)
Article
This paper presents new data on the orchid diversity of Vietnam obtained in 2015–2021. It contains descriptions of three new species (Cleisostoma furcatum, Malleola micrantha, Schoenorchis hungii), one new variety (Chiloschista parishii var. minutiflora) and one new form (Cleisostoma furcatum forma albiflora). Additionally six species, Ascocentrops...
Article
Stahlianthus thorelii Gagnep. is a plant belonging to the family Zingiberaceae, widely distributed in Asian countries like China, Thailand, India and Vietnam. In traditional oriental medicine, this plant is usually used to treat hemorrhage, heavy menstruation, poor digestion, rheumatism and bone / joint pain (tuberous roots). For the first time, th...
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This paper continues the publication of Aspidistra species newly discovered in the flora of Vietnam. It includes illustrated diagnosis of two species new to science, A. liliiflora and A. sessilistigma found in northern and central parts of the country. Detailed analytical color illustrations, data on morphology, ecology, phenology, tentative relati...
Article
The paper provides a short review of Bulbophyllum species recorded in Laos and Vietnam during the two last decades and continues the publication of results of our successive studies of the genus in this area. It presents data on two new species for science discovered in Laos (Bulbophyllum pachypodum) and Vietnam (B. neglectipetalum), one lesser kno...
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Hoya lamthanhiae V.T. Pham & Kloppenb. is described and illustrated. The molecular data is provided; this species was found in Dak Lak province, southern Vietnam. Diagnostic features of the new species are a milky latex lithophytic vine and pure white with red-purple centre flowers. The described species clearly differs from closely related H. hain...
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A new species, Paphiopedilum trungkienii (Aver., O. Gruss, C. X. Canh & N. H. Tuan) Aver., O. Gruss, Koop. is described and illustrated on the base of earlier described variety of P. concolor (LindL. ex Bateman) Pfitzer var. trungkienii Aaver., O. Gruss, C. X. Canh &t N. H. Tuan. New species most close to P. concolor but distinctly differs from all...
Article
Aspidistra babensis K.S. Nguyen, Aver. & Tillich, a new species of Asparagaceae from limestone mountains of Bac Kan Province in northern Vietnam, is described and illustrated. Morphologically, it is close to A. stricta, sharing a perigone that is upright and split almost to base, and with fleshy perigone lobes. Aspidistra babensis however differs f...
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Objectives Kaempferia daklakensis N.H.Tuan & N.D.Trong (local name Up dat) (Zingiberaceae) was collected at Ea So Nature Reserve, Ea Kar district, Daklak Province, Viet Nam and described as a new record for the country’s flora. Methods An essential oil with 0.99% yield (w/w) was extracted from the absolute dry rhizomes by steam distillation as a p...
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Paphiopedilum concolor var. trungkienii AVER., O. GRUSS, C. X. CANH et N. H. TUAN will be updated according to new evaluation of the differences to Paph. concolor (LINDL. ex BATEMAN) PFITZER is classified as an independent species Paphiopedilum trungkienii (AVER., O. GRUSS, C. X. CANH et N. H. TUAN) AVER., O. GRUSS, KOOP.
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Dendrobium × tungchii N.H.Tuan, C.X.Canh et O. Gruss nsp. nov.
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Three taxa, Bulbophyllum cariniflorum var. orlovii (sect. Pleiophyllum), B. sonii (sect. Anisopetalon) and B. ustulata (sect. Brachystachya) are described as new for science. All of these novelties are local endemics of Vietnam. Additionally, four species, B. flavescens (sect. Aphanobulbon), B. ovatum (sect. Desmosanthes), B. physocoryphum (sect. M...
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Through survey of medicial plant resources in Ba Ria – Vung Tau province and Binh Thuan province, Kaempferia champasakensis Picheans. & Koonterm. was recorded as a new species in flora of Viet Nam. Kaempferia champasakensis Picheans. & Koonterm. is characterized by its pure white flowers with the labellum divided two-third to the base and the large...
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The paper continues our recent publication of new original data on orchid diversity in Vietnam (Averyanov et al., 2018a-c) obtained in 2016-2017. It includes data on 5 orchid species new for science (Calanthe nguyenthinhii Aver., Dendrobium truongcuongii Aver. et Canh, Gastrodia khangii Aver., Nephelaphyllum thaovyae Aver. et Canh and Podochilus tr...
Article
This paper continues the publication of newly obtained results from a continuing taxonomic investigation of the genus Aspidistra in mainland southeast Asia. It includes descriptions and illustrations of seven taxa discovered in China and Vietnam, A. deflexa Aver., Tillich & V.T. Pham, A. heterocarpa Aver., Tillich & V. T. Pham var. heterocarpa, A....
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From the EtOAc-soluble fraction of the methanol extract of the leaves of Amalocalyx microlobus (Spire) Pierre (Apocynaceae) collected in Son La, Vietnam, five compounds including two flavonoid / flavonoid glucoside namely luteolin (1) / luteolin-4'-O-β-glucopyranosid (2) and three sterols amalogenin A (a pregnen-type sterol) (3), daucosterol (4) an...
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Castanopsis dongnaiensis T.S. Hoang & V.N. Nguyen sp. nova (Fagaceae) from Dong Nai Culture and Nature Reserve, Dong Nai Province of Vietnam is described and illustrated. It is morphologically similar to C. ferox, but can be distinguished from it by its leaf margins which are serrate on 1/3 to the apex, a symmetric leaf base, cupule with decurved s...
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A new colourform of Holcoglossum phongii with whitish green to yellow flowers is decribed
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New classification of a well known greenish Paphiopedi- lum- form as Paphiopedilum jackii forma virescens
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A new colourform of Arundina graminifolia with white flowers is described officially
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The paper continues publication of new original data on orchid diversity in Vietnam (tribes Cymbidieae and Vandeae) obtained in 2016-2018. It includes data on 2 genera and 10 species new for the flora of Vietnam. Among them, six species are new to science (Ascocentrum hienii, Biermannia canhii, Cymbidium tamphianum, Gastrochilus setosus, Malleola l...
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A new variety of the na- tural hybrid Paphiopedilum × asper- sum from Vietnam is described as var. trantuananhii.
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This paper provides new data on 33 new or rare species of Hoya obtained in feldwork mainly during 2012–2017 in eastern Indochina including Cambodia, Laos and Vietnam. These data include illustrated descriptions of three species new for science, as well as illustrated records of 24 species new for the floras of the studied countries. When these new d...
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A new variety of Paphiopedilum concolor from Vietnam is described as Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer var. trungkienii Aver., O. Gruss, C. X. Canh et N. H. Tuan. The variety distinctly differs from all known infraspecific taxa of Paph. concolor in sepals, petals and lip speckled with unclear more or less dull purple-violet blotche...
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The genus Cypripedium includes 40–45 species distributed mainly in areas of Holarctic region with temperate climate. Its highest species diversity is observed in the eastern part of mainland Asia and in Northern America. In intact habitats, some species of this genus are quite common playing significant role in plant communities forming picturesque...
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Two rare endangered ornamental species of orchids (Orchidaceae) – Bulbophyllum coweniorum J. J. Verm. et P. O'Byrne and Esmeralda bella Rchb. f., new for the flora of Vietnam were discovered during botanical field surveys of medicinal plants conducted by Department of Pharmacognosy of Hanoi University of Pharmacy in years 2015–2016. According to pe...
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Herbarium material collected in 2013–2015 in Cambodia and Laos provides 298 new localities for 167 orchid species (from 57 genera). Almost all reported locations are new on the territory of studied countries. These data provide substantial basis for understanding of present day distribution of rare species needed protection. Among reported species,...

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