﻿Hymenasplenium tholiformis (Aspleniaceae), a new fern species from southeastern Xizang, China based on morphological and molecular evidence

Qiu, Yong-Lin; Xu, Ke‐Wang; Ju, Wenbin; Zhao, Wei; Zhang, Liang

doi:10.3897/phytokeys.204.85746

Cited by 2 publications

(3 citation statements)

References 26 publications

(40 reference statements)

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“…This lineage formed a separate clade with H. tholiformis, but lacked support. Another lineage (BS = 92%, BS = 96%, BI p = 1) was comprised of accessions of the new taxon in this study including collections identified as a proposed new species (sp8, Zhang Liang 4781) and H. obscurum (Wu et al WS2552;Wu et al WS2176) in former studies (Xu et al 2018a;Qiu et al 2022). There was one more lineage (BS = 88%, BS = 92%, BI p = 1) that was comprised of several divergent lineages, but included accessions all identified as H. excisum.…”

Section: Chloroplast Dna Phylogenymentioning

confidence: 92%

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Molecular and morphological evidence reveals a new fern species of Hymenasplenium (Aspleniaceae) from south and southwestern China

Chang¹,

Zhang²,

Wang³

et al. 2022

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Hymenasplenium obtusidentatum, a new fern species of the H. excisum subclade of Hymenasplenium (Aspleniaceae) from south and southwestern China was described. Molecular phylogenetic analyses and morphological observations of H. obtusidentatum and related species clearly indicated that this is a distinct taxonomic entity. Phylogenetically, H. obtusidentatum was confirmed to represent a diverging lineage in the H. excisum subclade of Hymenasplenium and was closely related to one lineage that includes accessions identified as H. obscurum, H. pseudobscurum and H. tholiformis. Morphologically, H. obtusidentatum can be distinguished by the combination of its lamina base truncate, stipe not shiny and with color of reddish brown to dark brown, and pinna marginal teeth that are not sharp, but blunt or rounded. A complete species description and comparison with related species in the H. excisum subclade were provided. The holotype of H. obtusidentatum was designated.

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Section: Chloroplast Dna Phylogenymentioning

confidence: 92%

“…Ju & K.W. Xu ( Lin and Viane 2013 ; Xu et al 2018a ; Qiu et al 2022 ). Xu et al (2018a) estimated that at least six undescribed species exist in this subclade and numbered four of them from sp8 to sp11, but without taxonomic description and treatment.…”

Section: Introductionmentioning

confidence: 99%

Molecular and morphological evidence reveals a new fern species of Hymenasplenium (Aspleniaceae) from south and southwestern China

Chang¹,

Zhang²,

Wang³

et al. 2022

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“…Ju & K.W. Xu, and Selliguea wusugongii Liang Zhang, X.P.Fan & Li Bing Zhang have been discovered ( Fan et al 2021 ; Qiu et al 2022a , b ). When we studied the lycophytes from these collections, we found some materials of Selaginella belonging to the S. vaginata group, but differing from all recognized species in this group.…”

Section: Introductionmentioning

confidence: 99%

Selaginella densiciliata (subg. Heterostachys, Selaginellaceae), a new spikemoss species from China based on morphological and molecular data

Shu-fen¹,

Xu²,

Zhang³

et al. 2023

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A new species of spikemoss, Selaginella densiciliata in S. subg. Heterostachys sect. Tetragonostachyae, China, is described from southeastern Xizang, based on morphological and molecular phylogenetic data. Morphologically, S. densiciliata is similar to S. repanda, S. subvaginata and S. vaginata, but the new species can be easily distinguished from them by having sterile leaves margins densely ciliate, symmetrical axillary leaves oblong ovate to ovate-triangular, and ovate dorsal leaves obviously carinate. Molecular phylogenetic analysis resolves S. densiciliata as sister to the clade comprised with S. vaginata and S. xipholepis, which confirms the recognition of the new species.

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Hymenasplenium tholiformis (Aspleniaceae), a new fern species from southeastern Xizang, China based on morphological and molecular evidence

Cited by 2 publications

References 26 publications

Molecular and morphological evidence reveals a new fern species of Hymenasplenium (Aspleniaceae) from south and southwestern China

Molecular and morphological evidence reveals a new fern species of Hymenasplenium (Aspleniaceae) from south and southwestern China

Selaginella densiciliata (subg. Heterostachys, Selaginellaceae), a new spikemoss species from China based on morphological and molecular data

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﻿Hymenasplenium tholiformis (Aspleniaceae), a new fern species from southeastern Xizang, China based on morphological and molecular evidence

Cited by 2 publications

References 26 publications

﻿Molecular and morphological evidence reveals a new fern species of Hymenasplenium (Aspleniaceae) from south and southwestern China

﻿Molecular and morphological evidence reveals a new fern species of Hymenasplenium (Aspleniaceae) from south and southwestern China

﻿Selaginella densiciliata (subg. Heterostachys, Selaginellaceae), a new spikemoss species from China based on morphological and molecular data

Contact Info

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Hymenasplenium tholiformis (Aspleniaceae), a new fern species from southeastern Xizang, China based on morphological and molecular evidence

Molecular and morphological evidence reveals a new fern species of Hymenasplenium (Aspleniaceae) from south and southwestern China

Molecular and morphological evidence reveals a new fern species of Hymenasplenium (Aspleniaceae) from south and southwestern China

Selaginella densiciliata (subg. Heterostachys, Selaginellaceae), a new spikemoss species from China based on morphological and molecular data