scholarly journals Morpho-molecular analysis reveals Appendiculella viticis sp. nov. (Meliolaceae)

Phytotaxa ◽  
2020 ◽  
Vol 454 (1) ◽  
pp. 45-54
Author(s):  
DIANA S. MARASINGHE ◽  
SARANYAPHAT BOONMEE ◽  
KEVIN D. HYDE ◽  
NING XIE ◽  
SINANG HONGSANAN

A novel species, Appendiculella viticis, was collected on freshly fallen leaves of Vitex canescens (Lamiaceae) in Chiang Rai, Thailand. This species is unique in having vertically striate, conoid cells, without larviform appendages and fusiform to ellipsoidal, guttulate ascospores. Morphological comparison and phylogenetic analysis of combined LSU and ITS sequence data provide evidence that the species is novel. Morphological comparisons of Appendiculella species are provided. The molecular data provides evidence to support the distinctness of Appendiculella.

Phytotaxa ◽  
2021 ◽  
Vol 487 (1) ◽  
pp. 56-64
Author(s):  
DIANA S. MARASINGHE ◽  
SINANG HONGSANAN ◽  
SARANYAPHAT BOONMEE ◽  
NING XIE

A novel species, Micropeltis goniothalamicola and a new record Scolecopeltidium menglaense were collected from Mae Fah Luang Botanical Gardens, Thailand. Our new taxon is different from other species in Micropeltis in having relatively smaller ascomata, 6–8-spored asci and 4–5-septate ascospores covering with mucilaginous sheath. Our new record, S. menglaense is the first host recorded from Jasmine grandiflorum (Oleaceae). Morphological comparison coupled with phylogenetic analysis of combined LSU and ITS sequence data provide evidence for the new species and new host record.


Phytotaxa ◽  
2018 ◽  
Vol 369 (4) ◽  
pp. 241 ◽  
Author(s):  
CHUAN-GEN LIN ◽  
ERIC H. C. MCKENZIE ◽  
DARBHE J. BHAT ◽  
JIAN-KUI LIU ◽  
KEVIN D. HYDE ◽  
...  

A new species, Pseudodactylaria brevis, is described, illustrated and compared with other Pseudodactylaria and Dactylaria-like taxa. Evidence for the new species is provided by morphological comparison and sequence data analyses. Pseudodactylaria brevis can be distinguished from other Pseudodactylaria and Dactylaria-like species by its short hyaline conidiophores and fusiform, 1-septate hyaline conidia. Phylogenetic analysis of LSU and ITS sequence data was carried out to determine the phylogenetic placement of the species and confirm the taxonomic status of Pseudodactylariaceae.


2014 ◽  
Vol 27 (6) ◽  
pp. 450 ◽  
Author(s):  
Ian R. H. Telford ◽  
Kanchana Pruesapan ◽  
Peter C. van Welzen ◽  
Jeremy J. Bruhl

Molecular analysis of the newly reinstated genus Synostemon F.Muell. (Phyllanthaceae, Phyllantheae), using ITS sequence data from the now densely sampled genus, confirmed that the previously recognised ‘Queensland clade’ consists of Synostemon albiflorus (F.Muell. ex Müll.Arg.) Airy Shaw, S. sphenophyllus Airy Shaw, Sauropus podenzanae (S.Moore) Airy Shaw and the undescribed Synostemon spinescens, sp. nov. ined., the latter being validated here as S. spinosus I.Telford & J.J.Bruhl. Morphological synapomorphies for the clade are as follows: linear, apiculate anthers that are connivent but only basally connate, and thickened, clavate, recurved stigmas. A new combination is provided under Synostemon for Sauropus podenzanae as Synostemon podenzanae (S.Moore) I.Telford & Pruesapan and Sauropus convallarioides J.T.Hunter & J.J.Bruhl is formally placed in synonymy under Synostemon sphenophyllus. Descriptions, distributional data and notes on ecology and conservation status are provided for these species. Phyllanthus albiflorus F.Muell. ex Müll.Arg., the basionym of Synostemon albiflorus, is lectotypified.


Phytotaxa ◽  
2016 ◽  
Vol 288 (1) ◽  
pp. 51 ◽  
Author(s):  
HUA-LI CHU ◽  
WAN-HAO CHEN ◽  
TING-CHI WEN ◽  
ZONG-QI LIANG ◽  
FU-CHONG ZHENG ◽  
...  

An entomopathogenic taxon from a wetland area in Guiyang City, China was found to be a novel species of Metarhizium based on both morphology and phylogeny. The new species, which has unique, slender and cylindrical, Akanthomyces-like synnemata is described, illustrated and named Metarhizium synnematis. Phylogenetic analysis of ITS sequence data confirmed that M. synnematis belongs in Metarhizium. It differs from other species of Metarhizium in having relatively small, ellipsoidal to cylindrical or sub-clavate conidia, coated with a thin mucilaginous sheath which aggregates spores into sticky masses.


Phytotaxa ◽  
2016 ◽  
Vol 284 (1) ◽  
pp. 41 ◽  
Author(s):  
XIA LUO ◽  
LEI YE ◽  
JIE CHEN ◽  
SAMANTHA C. KARUNARATHNA ◽  
JIANCHU XU ◽  
...  

The novel species Laccaria rubroalba is described from Southwestern China by using both morphological characteristics and molecular data. It is characterized by small basidiomata; reddish white pileus when moist or young, white to pale when dry; 4-spored basidia and globose to broadly ellipsoid, hyaline, moderately echinulate basidiospores. Phylogenetic relationships inferred from ITS sequence data confirmed the separation of this new species from other closely related species in the genus Laccaria. The new species is compared with similar taxa. A description, line drawings and colour photographs of the new species, and phylogenetic tree to show the placement of the new species are provided.


Phytotaxa ◽  
2017 ◽  
Vol 332 (1) ◽  
pp. 67
Author(s):  
CHUAN-GEN LIN ◽  
DONG-QIN DAI ◽  
DARBHE J. BHAT ◽  
KEVIN D. HYDE ◽  
LI-ZHOU TANG ◽  
...  

A new species Alfaria avenellae, is described, illustrated and compared with other Alfaria species. Evidence for the new species is provided by morphological comparison and sequence data analyses. Alfaria avenellae can easily be distinguished from other Alfaria species by its distinct synnemata, long conidiophores (up to 350 μm) and pale green to dark green conidia. Phylogenetic analysis of combined LSU and ITS sequence data was carried out to determine the phylogenetic placement of this new species within the genus Alfaria and provide evidence to support the establishment of our new species.


Phytotaxa ◽  
2014 ◽  
Vol 190 (1) ◽  
pp. 216 ◽  
Author(s):  
Gavin William Maneveldt ◽  
DEREK W. KEATS

Based on new studies of the type and of specimens from various localities in the Atlantic, Indian and Pacific oceans, Porolithon onkodes was reaffirmed as a distinct species, but of variable morphological appearance. The following taxa were found to conform to the present-day diagnosis of P. onkodes and they are thus considered heterotypic synonyms thereof: P. antillarum, P. cocosicum P. pachydermum and P. sandvicense. Despite the suggested reproductive isolation of these taxa, there is no valid taxonomic reason for their separation as the characters considered diagnostic of P. onkodes were found to be present in all of them. Also, while molecular analysis using ITS sequence data has suggested that P. onkodes and P. pachydermum are distinct species, the complex and unpredictable evolutionary behaviour of ITS reduce its use for phylogenetic analysis. In many tropical Indo-Pacific and tropical eastern Atlantic regions, P. onkodes has been reported to be one of the single-most important ecological species because of its wide distribution. Similarly, P. pachydermum has been documented as one of the single-most important ecological species in many areas of the tropical and subtropical western Atlantic. As the two taxa are here shown to be conspecific, it is logical to suggest that P. onkodes is arguably one of the most widespread tropical to subtropical non-geniculate coralline algae. Porolithon onkodes not only occurs largely throughout the Indo-Pacific, but as a result of the present study, is now known to commonly occur throughout the tropical and subtropical regions of the eastern and notably western Atlantic Ocean.


2002 ◽  
Vol 15 (1) ◽  
pp. 49 ◽  
Author(s):  
Dorothy A. Steane ◽  
Dean Nicolle ◽  
Gay E. McKinnon ◽  
René E. Vaillancourt ◽  
Brad M. Potts

This expanded survey of ITS sequences represents the largest analysis of molecular data ever attempted on Eucalyptus. Sequences of the internal transcribed spacer (ITS) region of the nuclear ribosomal DNA were included in an analysis of 90 species of Eucalyptus s.s. and 28 species representing eight other genera (Allosyncarpia, Angophora, Arillastrum, Corymbia, Eucalyptopsis, Stockwellia, Lophostemon and Metrosideros). The results of the study indicate that Angophora and Corymbia form a well-supported clade that is highly differentiated from Eucalyptus s.s. Corymbia species are divided between two clades, one of which may be the sister to Angophora. Allosyncarpia, Arillastrum, Eucalyptopsis and ‘Stockwellia’ are also highly differentiated from Eucalyptus s.s. If the genus Eucalyptus is to be expanded to include Angophora and Corymbia(sensu Brooker 2000), ITS data suggest that Allosyncarpia, Eucalyptopsis, ‘Stockwellia’ and potentially Arillastrum should also be included in Eucalyptus s.l. The ITS data suggest that subg. Symphyomyrtus is paraphyletic and that subg. Minutifructus should be included within it. Within subg.Symphyomyrtus, only sect. Maidenaria appears to be monophyletic. Sections Adnataria and Dumaria are probably monophyletic; sections Exsertaria and Latoangulatae are very close and probably should be combined in a single section. Section Bisectae is polyphyletic and is divided into two distinct lineages. The phylogenetic groups depicted by ITS data are consistent with the frequency of natural inter-specific hybridisations as well as data from controlled crosses within subgenus Symphyomyrtus. The ITS data illustrate that subg. Idiogenes and western Australian monocalypts are early evolutionary lines relative to E. diversifolia, E. rubiginosa (monotypic subg. Primitiva) and the eastern monocalypts and that subg. Primitiva should be sunk into subg. Eucalyptus. Subgenus Eudesmia may be monophyletic, grouping with subgenera Idiogenes and Eucalyptus. Further work is required to confirm the phylogenetic positions of the monotypic subgenera Alveolata, Cruciformes, Acerosae and Cuboidea.


2021 ◽  
Vol Vol 66 (1) (January (1)) ◽  
pp. 1-5
Author(s):  
Jerome Goddard ◽  
Gerald Baker ◽  
Petra Jericke ◽  
Lawrence Birchman ◽  
Ethan Woodward ◽  
...  

Ultrastructural and molecular data are provided from a single adult female pentastomid opportunistically collected from a road-killed rattlesnake in Russell, KS. Ultrastructural data consisted of light and SEM microscopy of the pentastomid and its eggs, while molecular data consisted of partial 18S and 28S ribosomal sequences and a partial cytochrome c oxidase subunit 1 sequence from the same specimen used for SEM. Ultrastructural and molecular data support generic identification of the pentastomid as Porocephalus sp. These molecular data were also used with previously published pentastomid sequence data for a concatenated phylogenetic analysis, which support the current, morphology-based taxonomic placement of the genus.


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