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Ponert J.,Prague Botanical Garden | Ponert J.,Charles University | Vuong T.B.,Vietnam Academy of Science and Technology | Hanh N.,Hon Ba Nature Reserve | And 4 more authors.
Lankesteriana | Year: 2014

As a result of Hon Ba nature reserve survey, Hetaeria finlaysoniana, previously recorded from Thailand, Myanmar and southern China, is newly recorded from Vietnam. Description of studied plants is presented together with notes on ecology and photographic documentation. These plants were collected in southern Vietnam (Hon Ba Nature Reserve, Khanh Hoa), which is located quite far from other known localities and thus a larger distribution of this possibly overlooked species could be expected. Additionally, H. youngsayei is newly recorded from the same reserve, 540km from the nearest previously known locality. Distribution of both species is discussed and an updated identification key for all Vietnamese members of the genus Hetaeria is presented. © Universidad de Costa Rica, 2014.

Leong-Skornickova J.,Herbarium | Binh N.Q.,Vietnam Academy of Science and Technology | ang T.H.,Herbarium | Sida O.,National Museum in Prague | And 2 more authors.
Phytotaxa | Year: 2015

Nine new Zingiber species from Vietnam are reported here. Of these, Z. lecongkietii belongs to the sect. Cryptanthium, five species, Z. atroporphyreus, Z. cardiocheilum, Z. castaneum, Z. mellis and Z. plicatum, are terminally flowering species belonging to the sect. Dymczewiczia, and three species, Z. discolor, Z. microcheilum and Z. yersinii, belong to sect. Zingiber. Detailed descriptions, colour plates and preliminary IUCN assessments are given for all species. As the five terminally flowering novelties more than double the previously known number of species in the Z. sect. Dymczewiczia in Vietnam, a key to this section is provided. © 2015 Magnolia Press.

Bruggeman P.,Zwarte Ring 157 | Vuong T.B.,Institute of Tropical Biology | Rybkova R.,Prague Botanical Garden | Ponert J.,Prague Botanical Garden | Ponert J.,Charles University
Nordic Journal of Botany | Year: 2013

Arisaema claviforme P. Bruggeman, T. B. Vuong, R. Rybková & J. Ponert, a new species of Araceae, belonging to section Anomala, from Hòn Bà Nature Reserve, Khánh Hòa province in southern Vietnam is described, illustrated and compared with related taxa. Additionally, Arisaema simaicum Gagn., a species hitherto regarded as an endemic to southern Thailand is published as a new record for Vietnam and a short description and an illustration of this species is provided. © 2013 The Authors.

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