Phylogenetic and Morphological Comparison between Thamnaconus septentrionalis and T. modestus Collected in Southwest Seashore

2021 ◽  
Vol 54 (3) ◽  
pp. 229-239
Author(s):  
Tae-Sik Yu ◽  
◽  
Kiyun Park ◽  
Kyeong-Ho Han ◽  
Ihn-Sil Kwak
Keyword(s):  
Morphological Comparison

Ultrastructure and Morphology of the Neurospora Crassa Cell Wall Mutants, Slime And Slime X, Using Tem and Sem

1976 ◽  
Vol 34 ◽  
pp. 54-55
Author(s):  
Karen S. Howard ◽  
H. D. Braymer ◽  
M. D. Socolofsky ◽  
S. A. Milligan
Keyword(s):  
Cell Wall ◽  
Neurospora Crassa ◽  
Wild Type ◽  
Morphological Comparison ◽  
Small Areas ◽  
Solid Media ◽  
Thin Sectioning ◽  
X Cells ◽  
Mutant Cells ◽  
Isolated Cell

The recently isolated cell wall mutant slime X of Neurospora crassa was prepared for ultrastructural and morphological comparison with the cell wall mutant slime. The purpose of this article is to discuss the methods of preparation for TEM and SEM observations, as well as to make a preliminary comparison of the two mutants.TEM: Cells of the slime mutant were prepared for thin sectioning by the method of Bigger, et al. Slime X cells were prepared in the same manner with the following two exceptions: the cells were embedded in 3% agar prior to fixation and the buffered solutions contained 5% sucrose throughout the procedure.SEM: Two methods were used to prepare mutant and wild type Neurospora for the SEM. First, single colonies of mutant cells and small areas of wild type hyphae were cut from solid media and fixed with OSO4 vapors similar to the procedure used by Harris, et al. with one alteration. The cell-containing agar blocks were dehydrated by immersion in 2,2-dimethoxypropane (DMP).

Taxonomic notes on the genus Hedyotis sensu lato (Rubiaceae) in China

Phytotaxa ◽  
2019 ◽  
Vol 414 (3) ◽  
pp. 121-128
Author(s):  
RUI-JIANG WANG
Keyword(s):  
New Combination ◽  
Morphological Comparison ◽  
Generic Delimitation ◽  
New Synonyms ◽  
Flora Of China

The genus Hedyotis sensu lato was splitted into several genera on basis of morphological and molecular evidences. Under this generic delimitation, seven new taxonomic treatments, including six new synonyms and one new combination, are proposed for the Flora of China. The name Hedyotis tenelliflora that misapplied to Scleromitrion angustifolium is also corrected with morphological comparison.

Review of the genus Cnemaspis Strauch, 1887 (Sauria: Gekkonidae) in Sri Lanka with the description of five new species

Zootaxa ◽  
2007 ◽  
Vol 1490 (1) ◽  
pp. 1-63 ◽  
Author(s):  
L. J.MENDIS WICKRAMASINGHE ◽  
D. A.I. MUNINDRADASA
Keyword(s):  
New Species ◽  
Sri Lanka ◽  
Morphometric Analysis ◽  
Mountain Region ◽  
Geographical Isolation ◽  
Morphological Comparison ◽  
Type Series ◽  
Dry Zone ◽  
High Degree ◽  
Wet Zone

Five new species of geckos are described from Sri Lanka by morphological comparison and morphometric analysis leading to review the genus Cnemaspis in the country. The type series of these species were identified from following localities: C. alwisi and C. kumarasinghei from the intermediate zone, C. retigalensis from the dry zone, C. molligodai from the lowland wet zone and C. samanalensis from the mountain region of the wet zone in the country. The high degree of endemicity (90%) shown by Cnemaspis in Sri Lanka could be attributed to geographical isolation. In addition, the taxonomic issue of C. jerdonii scalpensis is discussed and the species C. scalpensis is errected.

CRITICAL TAXA OF GRASSES WITH NORTH AMERICAN AND EASTERN ASIATIC DISTRIBUTION

1964 ◽  
Vol 42 (7) ◽  
pp. 859-884 ◽  
Author(s):  
Tetsuo Koyama ◽  
Shoichi Kawano
Keyword(s):  
North American ◽  
New Combinations ◽  
Morphological Comparison ◽  
The North ◽  
Cytological Data

Taxonomy and distribution of grasses with the North American and eastern Asiatic distribution have been discussed in detail with brief comments on their history. Morphological comparison of the corresponding taxa was correlated with cytological data, and the distribution was discussed with particular emphasis on the related ecological evidence. The new combinations proposed are: Schizachne purpurascens ssp. callosa, Brachyelytrum erectum ssp. erectum var. glabratum, B. erectum ssp. japonicum, Muhlenbergia frondosa ssp. ramosa, M. tenuiflora ssp. curviaristata, Glyceria acutiflora ssp. japonica, Festuca subulata ssp. japonica, Torreyochloa pallida ssp. pallida var. Fernaldii, T. pallida ssp. natans, T. pallida ssp. natans var. viridis, and Beckmannia Syzigachne ssp. baicalensis.

Aspidistra revoluta, a new species from limestone areas in Chongqing, China

Phytotaxa ◽  
2016 ◽  
Vol 257 (3) ◽  
pp. 280 ◽  
Author(s):  
Hao Zhou ◽  
Si-rong Yi ◽  
Qi Gao ◽  
Jie Huang ◽  
Yu-jing Wei
Keyword(s):  
New Species ◽  
Chromosome Number ◽  
Average Length ◽  
Chromosome Complement ◽  
Pollen Grains ◽  
The Other ◽  
Morphological Comparison ◽  
Chongqing Municipality ◽  
Karyotype Asymmetry ◽  
A New Species

Aspidistra revoluta (Asparagaceae) is described and illustrated as a new species from limestone areas in southern Chongqing Municipality, China. The new species can be distinguished from the other Aspidistra species by its unique umbrella-like pistil with large revolute stigma lobes that bent downwards and touch the base of the perigone. A detailed morphological comparison among A. revoluta, A. nanchuanensis and A. carnosa is provided. The pollen grains of A. revoluta are subspherical and inaperturate, with verrucous exine. The chromosome number is 2n = 38, and the karyotype is formulated as 2n = 22m + 6sm + 10st. The average length of chromosome complement is 4.50 μm, and the karyotype asymmetry indexes A1 and A2 are respectively 0.37±0.03 and 0.49±0.01.

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