Carya luana C.‐Y. Deng et X.‐G. Xiang, sp. nov. (Juglandaceae), a new species from Guizhou, China, identified based on whole plastome phylogeny and morphometrics

Carya luana sp. nov., a new species of Juglandaceae from Guizhou, China, is described and illustrated. The new species is easily distinguished from other Carya species by having lanceolate leaflets and obovate fruits with a 4–6 mm thick husk, but is otherwise morphologically close to C. tonkinensis...

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Published inNordic journal of botany Vol. 2023; no. 5
Main Authors Xiang, Xiao‐Guo, Deng, Chao‐Yi, Yan, Hua, Liu, Yu‐Juan, Liu, Zeng‐Cai, Cheng, Kun, Ban, Qi‐Ming, Lang, Yuan‐Xing
Format Journal Article
LanguageEnglish
Published Oxford, UK Blackwell Publishing Ltd 01.05.2023
Wiley Subscription Services, Inc
Subjects
botany
Carya
Carya luana
China
Conservation status
hulls
Identification keys
Juglandaceae
Morphometry
New species
Phylogeny
Plastomes
taxonomic keys
taxonomy
Threatened species
China
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Summary:Carya luana sp. nov., a new species of Juglandaceae from Guizhou, China, is described and illustrated. The new species is easily distinguished from other Carya species by having lanceolate leaflets and obovate fruits with a 4–6 mm thick husk, but is otherwise morphologically close to C. tonkinensis and C. kweichowensis. Based on phylogenetic reconstruction of whole plastomes, C. luana is the sister of C. tonkinensis, while formed a clade with C. tonkinensis and C. hunanensis on ITS. A morphometric analysis demonstrate that C. luana, C. tonkinensis and C. kweichowensis are morphologically distinct. The conservation status of C. luana is assessed as Endangered (EN) according to the IUCN Red List Categories and Criteria. A new identification key to all Asian Carya species is provided.
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ISSN:0107-055X
1756-1051
DOI:10.1111/njb.03867