Morphological and phylogenetic insights reveal Cucurbitaria berberidicola (Cucurbitariaceae, Pleosporales) as a new species from Uzbekistan

Phytotaxa ◽  
2021 ◽  
Vol 518 (1) ◽  
pp. 1-13
Author(s):  
MICHÉE A. APPADOO ◽  
DHANUSHKA N. WANASINGHE ◽  
YUSUFJON GAFFOROV ◽  
K.W. THILINI CHETHANA ◽  
AZIZ ABDURAZAKOV ◽  
...  

A survey of microfungi in the mountain areas of Uzbekistan revealed several specimens of cucurbitaria-like taxa. In this paper, one new species of Cucurbitaria is described based on a polyphasic approach, including morphological examination and molecular phylogeny. We compared the sexual morph (ascomata, asci, and ascospores) of the specimens collected with known species of Cucurbitaria and carried out multi loci (LSU, ITS, rpb2 and tef1-α) phylogenetic analyses. Cucurbitaria berberidicola sp. nov. is morphologically closely related to Cucurbitaria berberidis (the generic type) and C. oromediterranea. The sequence-based analyses verified a clear distinction, hence supporting the introduction of the new species.

Phytotaxa ◽  
2019 ◽  
Vol 427 (1) ◽  
pp. 31-42
Author(s):  
LEI SHU ◽  
RUI-LIANG ZHU

Based on molecular phylogenetic analyses and morphological characters, a new species from Bangladesh, northern Vietnam, and southwestern China, Leptolejeunea nigra, is described. It is mostly similar to L. balansae but remarkable for having brownish black ocelli in its leaf lobes. In the molecular phylogeny, the samples of L. nigra are not nested within any clade and form an independent lineage. In particular, the molecular dating suggested that the divergence of L. nigra happened in time span of the formation of the Himalayas.


Phytotaxa ◽  
2015 ◽  
Vol 227 (1) ◽  
pp. 83 ◽  
Author(s):  
Wai-Chao Leong ◽  
Tao Deng ◽  
Hang Sun ◽  
Ching-I Peng ◽  
Kuo-Fang Chung

Begonia palmata D. Don is one of the most widely distributed and morphologically variable species of Asian Begoniaceae. Examinations of its morphological variation indicate that two of its seven varieties, B. palmata var. difformis and B. palmata var. crassisetulosa, both distributed in the Gaoligong Mountain areas of Yunnan, China are indistinguishable and yet distinct from other varieties. Phylogenetic analyses using ITS DNA sequences further reveals that samples identifiable to these two varieties are also distantly related to samples of typical B. palmata. Based on these observations, we combine and elevate these two varieties to the status of species, Begonia difformis (Irmsch.) W.C. Leong, C.I Peng & K.F Chung, comb. & stat. nov..


Phytotaxa ◽  
2017 ◽  
Vol 316 (2) ◽  
pp. 138 ◽  
Author(s):  
ANUSHA H. EKANAYAKA ◽  
D. J. BHAT ◽  
KEVIN D. HYDE ◽  
E. B. GARETH JONES ◽  
QI ZHAO

The genus Phillipsia (Sarcoscyphaceae) is characterized by large, bright-coloured, sub-stipitate apothecia, sub-operculate asci and asymmetrical ascospores with longitudinal striations. Morphological and phylogenetic studies were carried out on new collections of Phillipsia from China and Thailand. Phillipsia subpurpurea are recorded from China and Phillipsia gelatinosa from Thailand is introduced as a new species to science. Our new collections are confirmed to be divergent from other species of Phillipsia based on morphological examination and molecular phylogenetic analyses of ITS and LSU sequence data. Descriptions and figures are provided for the taxa which are also compared with allied taxa.


Phytotaxa ◽  
2020 ◽  
Vol 441 (1) ◽  
pp. 87-94
Author(s):  
YAN-LIU CHEN ◽  
MING-SHENG SU ◽  
LIN-PING ZHANG ◽  
QIN ZOU ◽  
FEI WU ◽  
...  

Pseudohydnum brunneiceps is described as a new species from Jiangxi Province, central China. Morphologically, it is characterized by a gelatinous basidiocarps, pilei pale yellowish brown, dark reddish brown to blackish velutinate, spines conical and white, and basidiospores globose to broadly ellipsoidal. Phylogenetic analyses of DNA sequences from partial 28S region and internal transcribed spacer (ITS) also confirm that P. brunneiceps forms an independent lineage within Pseudohydnum. A description, photographs of the fresh basidiomata and line-drawings of the microstructures are provided. In addition, the previous records of P. gelatinosum in China should be re-evaluated by more representative samples by molecular phylogeny.


Author(s):  
C.M. Visagie ◽  
M. Goodwell ◽  
D.O. Nkwe

A fungal survey of the Gcwihaba Cave from Botswana found Aspergillus to be one of the more common fungal genera isolated. The 81 Aspergillus strains were identified using CaM sequences and comparing these to a curated reference dataset. Nineteen species were identified representing eight sections (sections Candidi, Circumdati, Flavi, Flavipedes, Nidulantes, Nigri, Terrei and Usti). One strain could not be identified. Morphological characterisation and multigene phylogenetic analyses confirmed it as a new species in section Flavipedes and we introduce it below as A. okavangoensis. The new species is most similar to A. iizukae, both producing conidiophores with vesicles typically wider than 20 µm. The new species, however, does not produce Hülle cells and its colonies grow slower than those of A. iizukae on CYA at 37 °C (14–15 vs 18–21 mm) and CREA (15–16 vs 23–41mm).


MycoKeys ◽  
2018 ◽  
Vol 39 ◽  
pp. 75-96 ◽  
Author(s):  
Che-Chih Chen ◽  
Sheng-Hua Wu ◽  
Chi-Yu Chen

Two new genera with phylogenetic affinities to Phanerochaete s.l. are presented, namely Hydnophanerochaete and Odontoefibula. The generic type of Hydnophanerochaete is Phanerochaeteodontoidea. Odontoefibula is established based on a new species: O.orientalis (generic type). Both genera have effused basidiocarps with odontioid hymenial surface, simple-septate generative hyphae, cystidia lacking, clavate basidia and ellipsoid basidiospores that are smooth, thin-walled, inamyloid, non-dextrinoid and acyanophilous. Hydnophanerochaete is additionally characterised by a compact texture in the subiculum with thick-walled generative hyphae and quasi-binding hyphae. Odontoefibula has a dense texture of subiculum with thin- to slightly thick-walled hyphae and further a dark reddish reaction of basidiocarps when treated with KOH. Multi-marker phylogenetic analyses based on sequences, inferred from the ITS+nuc 28S+rpb1+rpb2+tef1 dataset, indicate that Hydnophanerochaete and Odontoefibula are placed in the Meruliaceae and Donkia clades of Phanerochaetaceae, respectively. Phanerochaetesubodontoidea is a synonym of P.odontoidea, according to morphological and molecular evidence.


Phytotaxa ◽  
2020 ◽  
Vol 455 (1) ◽  
pp. 31-39
Author(s):  
ZHI-YUAN ZHANG ◽  
YI-XUAN ZHAO ◽  
XIN SHEN ◽  
WAN-HAO CHEN ◽  
YAN-FENG HAN ◽  
...  

During a survey of keratinolytic fungi in China, three Cunninghamella strains were isolated. Phylogenetic analyses of ITS and ITS+LSU+EF-1α sequence data showed that these strains constitute a new species related to C. blakesleeana, C. bigelovii, C. multiverticillata and C. phaeospora. The new species differs from C. multiverticillata and C. phaeospora in the shape and size of its teminal and lateral vesicles and can be distinguished from C. blakesleeana and C. bigelovii by the absent of zygosporangia, and the shape and size of it sporangioles. The results of phylogenetic and morphological analyses indicate that the three strains are a new species of Cunninghamella. Descriptions and illustrations of this novel species are provided in this paper.


Phytotaxa ◽  
2017 ◽  
Vol 316 (2) ◽  
pp. 161 ◽  
Author(s):  
ANUSHA H. EKANAYAKA ◽  
KEVIN D. HYDE ◽  
E.B. GARETH JONES ◽  
QI ZHAO ◽  
ABDALLAH M. ELGORBAN ◽  
...  

The genus Trichoglossum (Geoglossaceae) is characterized by black, clavate, stipitate apothecia with hymenial setae. We collected T. cf. octopartitum from China and a new species of Trichoglossum from Thailand, the latter named as T. septatum. According to morphological examination and molecular phylogenetic analyses of ITS sequence data, T. septatum diverges from other Trichoglossum species. Full descriptions, colour figures, and a phylogenetic tree to show the positions of T. cf. octopartitum and T. septatum are provided, and the two species are compared with allied taxa. The important morphological characteristics of Trichoglossum species are also summarized.


2021 ◽  
Author(s):  
Chuan Yu ◽  
Dongsheng Zhang ◽  
Ruiyan Zhang ◽  
Chunsheng Wang

Holothurians of the family Psychropotidae are widely distributed, but remain least studied deep-sea holothurians. On an expedition in the Western Pacific, six psychropotid specimens were collected by the Jiaolong human operated vehicle (HOV). Through morphological examination, four of them were identified as a new species, Benthodytes jiaolongi sp. nov., which was characterized as having minute papillae, narrow brims, and terminal anus; the ossicles were either rods or primary crosses. The remaining two specimens were identified as Psychropotes verrucicaudatus Xiao, Gong, Kou & Li, 2019, which was first recorded at the Kyushu-Palau Ridge. The phylogenetic analysis confirmed the classification status of B. jiaolongi and P. verrucicaudatus, and indicated a paraphyletic relationship within the genus Benthodytes. The new species clustered with Benthodytes sanguinolenta and was separated from the clade containing the other Benthodytes species.


Zootaxa ◽  
2011 ◽  
Vol 2890 (1) ◽  
pp. 1 ◽  
Author(s):  
CHI-LI TSAI ◽  
CHUNG-CHENG LU ◽  
HSIAO-WEI KAO

Meghimatium is a group of terrestrial slugs distributed in Asia. 185 specimens were collected from Taiwan, China, Okinawa (Japan), Thailand and Malaysia. Phylogenetic analyses using concatenated DNA sequences of cytochrome C oxidase subunit I, 16S ribosomal RNA and nuclear 28S ribosomal RNA genes revealed that clades in the resulting molecular phylogeny of Meghimatium are largely congruent with taxa identified on the basis of their genitalia. Four monophyletic groups, i.e., the M. fruhstorferi, M. burchi, M. uniforme and M. striatum complexes, with moderate to strong statistical supports (86/53/0.98/66, 100/100/1.00/100, 100/100/1.00/100, 100/100/1.00/100) were identified. M. pictum is paraphyletic and is clustered with M. bilineatum to constitute an additional monophyletic group (100/100/1.00/100). Body size does not show an evolutionary trend either from small to large or vice versa, based on the phylogenetic tree. A new species, M. baoshanense sp. nov., is named based on the included specimens constituting a monophyletic group, its medium size (40.1–52.7 mm in body length) and its genitalia with 10–18 papillae at the lower end of the spermathecal duct where it connects to the uterus and vagina.


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