Petrocodon wui (Gesneriaceae), a new species from Guizhou, China

Petrocodon wui F.Wen & R.B.Zhang (Gesneriaceae), a typically lithophyte occurring in the Danxia areas of north-western Guizhou, China, is described and illustrated as new to science. The new species shows overall similarity with P. chishuiensis Z.B.Xin, F.Wen & S.B.Zhou, whic...

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Main Authors: Ren-Bo Zhang, Tan Deng, Nan Li, Fang Wen
Format: Article
Language:English
Published: Pensoft Publishers 2023-04-01
Series:PhytoKeys
Online Access:https://phytokeys.pensoft.net/article/99660/download/pdf/
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author Ren-Bo Zhang
Tan Deng
Nan Li
Fang Wen
author_facet Ren-Bo Zhang
Tan Deng
Nan Li
Fang Wen
author_sort Ren-Bo Zhang
collection DOAJ
description Petrocodon wui F.Wen & R.B.Zhang (Gesneriaceae), a typically lithophyte occurring in the Danxia areas of north-western Guizhou, China, is described and illustrated as new to science. The new species shows overall similarity with P. chishuiensis Z.B.Xin, F.Wen & S.B.Zhou, which is also its sister species, based on molecular evidence. The new species can be distinguished from P. chishuiensis by the elongated rhizome, the relatively long indumentum on the peduncle, the shape, size and indumentum of calyx lobes, the location of the stamens in the corolla tube and the shape, size and indumentum of the stigma. We provide a diagnosis, detailed description, photographic images and a table with taxonomic notes to distinguish several other morphologically similar Petrocodon species.
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spelling doaj.art-dbb6a12a5a884581ac5c133aaa5915ed2023-04-21T08:11:04ZengPensoft PublishersPhytoKeys1314-20032023-04-01225415110.3897/phytokeys.225.9966099660Petrocodon wui (Gesneriaceae), a new species from Guizhou, ChinaRen-Bo Zhang0Tan Deng1Nan Li2Fang Wen3Zunyi Normal CollegeZunyi Normal CollegeZunyi Normal CollegeNational Gesneriaceae Germplasm Resources Bank of GXIB (NGGRB), Gesneriad Conservation Center of China (GCCC)Petrocodon wui F.Wen & R.B.Zhang (Gesneriaceae), a typically lithophyte occurring in the Danxia areas of north-western Guizhou, China, is described and illustrated as new to science. The new species shows overall similarity with P. chishuiensis Z.B.Xin, F.Wen & S.B.Zhou, which is also its sister species, based on molecular evidence. The new species can be distinguished from P. chishuiensis by the elongated rhizome, the relatively long indumentum on the peduncle, the shape, size and indumentum of calyx lobes, the location of the stamens in the corolla tube and the shape, size and indumentum of the stigma. We provide a diagnosis, detailed description, photographic images and a table with taxonomic notes to distinguish several other morphologically similar Petrocodon species.https://phytokeys.pensoft.net/article/99660/download/pdf/
spellingShingle Ren-Bo Zhang
Tan Deng
Nan Li
Fang Wen
Petrocodon wui (Gesneriaceae), a new species from Guizhou, China
PhytoKeys
title Petrocodon wui (Gesneriaceae), a new species from Guizhou, China
title_full Petrocodon wui (Gesneriaceae), a new species from Guizhou, China
title_fullStr Petrocodon wui (Gesneriaceae), a new species from Guizhou, China
title_full_unstemmed Petrocodon wui (Gesneriaceae), a new species from Guizhou, China
title_short Petrocodon wui (Gesneriaceae), a new species from Guizhou, China
title_sort petrocodon wui gesneriaceae a new species from guizhou china
url https://phytokeys.pensoft.net/article/99660/download/pdf/
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AT tandeng petrocodonwuigesneriaceaeanewspeciesfromguizhouchina
AT nanli petrocodonwuigesneriaceaeanewspeciesfromguizhouchina
AT fangwen petrocodonwuigesneriaceaeanewspeciesfromguizhouchina