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St. Louis, MO, United States

Walters C.,U.S. Department of Agriculture | Berjak P.,University of KwaZulu - Natal | Pammenter N.,University of KwaZulu - Natal | Kennedy K.,Center for Plant Conservation | Raven P.,Missouri Botanical Garden
Science | Year: 2013

Cryogenic technologies help to preserve plant biodiversity in seed banks, particularly in the tropics.

Averyanov L.V.,RAS Komarov Botanical Institute | Tanaka N.,Otsuka | Nguyen K.S.,Vietnam Academy of Science and Technology | Nguyen K.S.,University of Chinese Academy of Sciences | And 2 more authors.
Adansonia | Year: 2015

Six new species, Ophiopogon fruticulosus Aver., N.Tanaka & K.S.Nguyen, sp. nov., O. petraeus Aver. & N.Tanaka, sp. nov., Peliosanthes densiflora Aver. & N.Tanaka, sp. nov., P. hexagona Aver., N.Tanaka & K.S.Nguyen, sp. nov., P. lucida Aver., N.Tanaka & K.S.Nguyen sp. nov. and Tupistra breviscapa Aver. & N.Tanaka, sp. nov. (Asparagaceae) discovered in Laos or Vietnam are described and illustrated. Ophiopogon bockianus Diels is newly recorded for the flora of Vietnam. Ophiopogon mairei H.Lév. is regarded as a synonym of O. bockianus. The name Ophiopogon hayatae (N.Tanaka) N.Tanaka, Aver. & T.Koyama, comb. nov., stat. nov. is proposed as a new nomenclatural combination and status. Except for O. bockianus (= O. mairei), the other seven species here reported are endemic either to Vietnam (five species) or Laos (two species). © Publications Scientifiques du Muséum national d'Histoire naturelle, Paris.

Averyanov L.V.,RAS Komarov Botanical Institute | Nguyen K.S.,Institute of Ecology and Biological Resources | Nguyen T.H.,Center for Plant Conservation | Pham T.V.,Institute of Ecology and Biological Resources | Lorphengsy S.,National Herbarium of Laos
Nordic Journal of Botany | Year: 2014

A new species Trachycarpus ravenii discovered in Kasi district, Vientiane province of central Laos is described and illustrated. Morphologically, it is closest to T. oreophilus and T. princeps, but differs by having a shorter stem of mature plants; glabrous, dull green petiole; almost circular leaf blade, waxy bluish-white abaxially; narrow leaf segments with narrow free lobes densely adpressed to each other, as well as in oblique-round apices of median leaf segments. © 2014 Nordic Society Oikos.

Averyanov L.V.,RAS Komarov Botanical Institute | Nguyen K.S.,CAS South China Botanical Garden | Nguyen H.T.,Center for Plant Conservation
Phytotaxa | Year: 2014

The paper provides a key for identification and a checklist of mycoheterotrophic species of the genus Exacum, representing a well-defined group of achlorophyllous members of Gentianaceae regarded sometimes in the limits of a separate genus Cotylanthera. One novel species, E. zygomorpha, discovered in northern Vietnam, is described and illustrated as new for science. Among other features the discovered species strikingly differs from its congeners in having distinctly zygomorphic flowers. © 2014 Magnolia Press.

Averyanov L.V.,RAS Komarov Botanical Institute | Tanaka N.,98 11 Otsuka | Nguyen K.S.,CAS South China Botanical Garden | Truong B.V.,Institute of Tropical Biology | And 2 more authors.
Nordic Journal of Botany | Year: 2016

Five new species named Peliosanthes aperta, P. elegans, P. kenhillii, Tupistra densiflora and T. patula are described and illustrated. These species are very local in distribution and endemic to northern or southern Vietnam. Two other species, Ophiopogon ogisui and Peliosanthes griffithii, are recorded as new to the flora of Vietnam. A key to the species of Tupistra occurring in Indochina and its neighboring regions is also provided. © 2016 Nordic Society Oikos.

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