Gastrodia bawanglingensis (Orchidaceae, Epidendroideae), a new species from Hainan Island, China

Gastrodia bawanglingensis, a new species of Orchidaceae from Hainan Island, China, is described and illustrated. It is morphologically similar to G. theana, G. albidoides and G. albida with dwarf habits, scarcely opening flowers, elongated fruit stems, curved and fleshy perianth tubes and similar co...

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Main Authors: Zhi-Heng Chen, Zhong-Yang Zhang, Xi-Qiang Song, Zhe Zhang
Format: Article
Language:English
Published: Pensoft Publishers 2023-02-01
Series:PhytoKeys
Online Access:https://phytokeys.pensoft.net/article/95137/download/pdf/
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author Zhi-Heng Chen
Zhong-Yang Zhang
Xi-Qiang Song
Zhe Zhang
author_facet Zhi-Heng Chen
Zhong-Yang Zhang
Xi-Qiang Song
Zhe Zhang
author_sort Zhi-Heng Chen
collection DOAJ
description Gastrodia bawanglingensis, a new species of Orchidaceae from Hainan Island, China, is described and illustrated. It is morphologically similar to G. theana, G. albidoides and G. albida with dwarf habits, scarcely opening flowers, elongated fruit stems, curved and fleshy perianth tubes and similar columns and lips, but can be easily distinguished from them by having a pair of lateral wings bent outwards at the apex of the column and lateral wings with acuminate tips lower than the anther. According to the IUCN Red List Categories and Criteria, the new species is assessed as Endangered (EN). The plastome of G. bawanglingensis is greatly reduced and reconfigured with approximately 30876 bp in size and 25.36% in GC content. Morphological characteristics and molecular phylogenetic results based on chloroplast gene sequences support the recognition of G. bawanglingensis as a new species within Gastrodia.
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spelling doaj.art-3e0b266988064bf7a9f3824032700d942023-02-25T09:11:05ZengPensoft PublishersPhytoKeys1314-20032023-02-01220395010.3897/phytokeys.220.9513795137Gastrodia bawanglingensis (Orchidaceae, Epidendroideae), a new species from Hainan Island, ChinaZhi-Heng Chen0Zhong-Yang Zhang1Xi-Qiang Song2Zhe Zhang3Hainan UniversityHainan UniversityKey Laboratory of Biology of Tropical Flower Resources of Hainan ProvinceKey Laboratory of Biology of Tropical Flower Resources of Hainan ProvinceGastrodia bawanglingensis, a new species of Orchidaceae from Hainan Island, China, is described and illustrated. It is morphologically similar to G. theana, G. albidoides and G. albida with dwarf habits, scarcely opening flowers, elongated fruit stems, curved and fleshy perianth tubes and similar columns and lips, but can be easily distinguished from them by having a pair of lateral wings bent outwards at the apex of the column and lateral wings with acuminate tips lower than the anther. According to the IUCN Red List Categories and Criteria, the new species is assessed as Endangered (EN). The plastome of G. bawanglingensis is greatly reduced and reconfigured with approximately 30876 bp in size and 25.36% in GC content. Morphological characteristics and molecular phylogenetic results based on chloroplast gene sequences support the recognition of G. bawanglingensis as a new species within Gastrodia.https://phytokeys.pensoft.net/article/95137/download/pdf/
spellingShingle Zhi-Heng Chen
Zhong-Yang Zhang
Xi-Qiang Song
Zhe Zhang
Gastrodia bawanglingensis (Orchidaceae, Epidendroideae), a new species from Hainan Island, China
PhytoKeys
title Gastrodia bawanglingensis (Orchidaceae, Epidendroideae), a new species from Hainan Island, China
title_full Gastrodia bawanglingensis (Orchidaceae, Epidendroideae), a new species from Hainan Island, China
title_fullStr Gastrodia bawanglingensis (Orchidaceae, Epidendroideae), a new species from Hainan Island, China
title_full_unstemmed Gastrodia bawanglingensis (Orchidaceae, Epidendroideae), a new species from Hainan Island, China
title_short Gastrodia bawanglingensis (Orchidaceae, Epidendroideae), a new species from Hainan Island, China
title_sort gastrodia bawanglingensis orchidaceae epidendroideae a new species from hainan island china
url https://phytokeys.pensoft.net/article/95137/download/pdf/
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AT xiqiangsong gastrodiabawanglingensisorchidaceaeepidendroideaeanewspeciesfromhainanislandchina
AT zhezhang gastrodiabawanglingensisorchidaceaeepidendroideaeanewspeciesfromhainanislandchina