A new species and two new records of Quercus (Fagaceae) from northern Vietnam

Hoang Thi Binh, Nguyen Van Ngoc, Trinh Ngoc Bon, Shuichiro Tagane, Yoshihisa Suyama, Tetsukazu Yahara

Research output: Contribution to journalArticle

Abstract

A new species, Quercus xuanlienensis Binh, Ngoc & Bon, is described from Xuan Lien Nature Reserve, Vietnam. The new species is morphologically similar to Q. edithiae Skan, in having 8-11 pairs of secondary veins, bowl-shaped cupules and ellipsoid to cylindrical-ellipsoid and basally convex nuts. It differs in having serrulate leaf margins only at apical 1/5-1/7, almost entire margins of bracts on cupule and much longer nuts. The species is also similar to Q. fleuryi Hickel & A. Camus in having leaves glabrous on both surfaces with only an apically serrulate margin but differs in having shorter petioles, cupules enclosing 1/5 of the nut and much longer nuts. In addition, Q. disciformis Chun & Tsiang. and Q. bella Chun & Tsiang., previously known from China, are newly recorded from Ba Vi National Park, Vietnam.

Original languageEnglish
Pages (from-to)1-15
Number of pages15
JournalPhytoKeys
Issue number92
DOIs
Publication statusPublished - Jan 1 2018

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Fagaceae
nut
nuts
Vietnam
new record
Quercus
new species
bracts
plant veins
petioles
nature reserve
leaves
national parks
conservation areas
national park
China

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Plant Science

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A new species and two new records of Quercus (Fagaceae) from northern Vietnam. / Binh, Hoang Thi; Ngoc, Nguyen Van; Bon, Trinh Ngoc; Tagane, Shuichiro; Suyama, Yoshihisa; Yahara, Tetsukazu.

In: PhytoKeys, No. 92, 01.01.2018, p. 1-15.

Research output: Contribution to journalArticle

Binh, Hoang Thi ; Ngoc, Nguyen Van ; Bon, Trinh Ngoc ; Tagane, Shuichiro ; Suyama, Yoshihisa ; Yahara, Tetsukazu. / A new species and two new records of Quercus (Fagaceae) from northern Vietnam. In: PhytoKeys. 2018 ; No. 92. pp. 1-15.
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