• 제목/요약/키워드: taxonomic characteristics

검색결과 377건 처리시간 0.029초

Taxonomic Review of Clematis flabellata Nakai

  • Beom Kyun Park;Dong Chan Son;Sung Chul Ko
    • 한국자원식물학회:학술대회논문집
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    • 한국자원식물학회 2020년도 춘계학술대회
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    • pp.26-26
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    • 2020
  • Daphne L. (Thymelaceae) comprises about 95 species distributing worldwide from N Africa, N India, SE Asia to E Asia and the coast of the Mediterranean of Europe. In Korea, five species of this genus have been described. In this study, we included four species (D. genkwa, D. pseudomezereum, D. kiusiana, D. jejudoensis) from Korea, excluding cultivated D. odora. The morphological characters through local surveys and the re-classification of the specimens collected in the Korea National Herbarium (KH) were carried out and distribution maps for each taxon were also prepared. The major characters include habit, trichomes in winter bud, leaf, and twig, phyllotaxis, inflorescence, size of calyx lobe and trichomes in the calyx tube, etc. The distribution map showed that D. genkwa is mainly distributed in the coastal area of Hwanghaenam-do, Pyeongannam-do, Jeollabuk-do and Jeollanam-do, whereas D. pseudomezereum is distributed in the limestone zone of Gangwon-do, Jeollabuk-do, and Gyeongsangbuk-do. Similarly, D. kiusiana is mostly found in Jeollanam-do, Gyeongsangnam-do, and Jeju-do. In addition, D. jejudoensis is known to be distributed in forests of Murueng, Andeok, and Seonheul-ri in Jeju-do, but recently, new habitat is discovered in the island forest areas of Jeollanam-do. However, some of these individuals showed the characteristics of D. kiusiana, thus before come to any conclusion detailed taxonomic review of D. jejudoensis and D. kiusiana is required.

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Taxonomic and Microbiological Report on Seven Yeast Species Unrecorded in the National Species List of Korea

  • Jung-Woo Ko;Ye-Jin Kim;Hye-Rim Ryu;Min-Kyeong Kim;Chorong Ahn;Changmu Kim;Cheon-Seok Park
    • 한국균학회지
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    • 제51권4호
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    • pp.287-306
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    • 2023
  • According to our previous study, 500 species of yeast exist in Korea, including nine variants comprising 142 genera and 48 classes in two phyla. Additionally, 4,483 fungal species have been documented at the National Institute of Biological Resources (NIBR). However, despite the industrial use of several yeasts, only 173 species formed part of the National Species List of Korea (NSLK) as of December 2021, mainly due to the lack of taxonomic descriptions. This study aimed to investigate the taxonomy of seven newly isolated yeast species (Hyphopichia burtonii, Starmerella sorbosivorans, Cyberlindnera mycetangii, Cutaneotrichosporon oleaginosum, Nakazawaea ernobii, Pichia kudriavzevii, and Schizosaccharomyces japonicus) for inclusion in the NSLK. The strains were clustered for the phylogenetic analysis of fungal rDNA (D1/D2-26S) sequences. This study provides descriptions of their cell morphology and physiological characteristics, the results of which confirm the indigenous origin of these seven species in Korea and recommend their inclusion in the NSLK.

A Lichen Genus Porpidia (Porpidiaceae) from South Korea

  • Wang, Xin Yu;Joshi, Yogesh;Hur, Jae-Seoun
    • Mycobiology
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    • 제39권1호
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    • pp.61-63
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    • 2011
  • Taxonomic study of the crustose lichen Porpidia was performed in this paper. Three species are described, including two recorded species and one new record: Porpidia macrocarpa (DC.) Hertel & A. J. Schwab. A description of each species is presented along with morphological, anatomic, and chemical characteristics. A key to the identification of species of Porpidia is also presented.

Echinodermata from Chindo Island, Korea

  • Shin, Sook
    • Animal Systematics, Evolution and Diversity
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    • 제11권1호
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    • pp.115-124
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    • 1995
  • Twenty-two species of Echinodermata collected from 11 localities in Chindo Island, Korea in September, 1990 and July, 1994 are recorded. One asteroids, Luidia quinaria, five ophiudoids such as Astrocladus coniferus coniferus, A.c.dofleini, Ophicatis affinis, Stegophiura sladeni, Amphipholis sp., four echinoids such as Temnopleurus toreumaticus, T. hardwicki, Hemicentrotus pulcherrimus, anthoicidaris crassispina and two holothuroids such as Protankyra bidentata, Stichopus japonicus are unrecorded species by this time in Chindo Is. One asteroid species, Asterina minor is newly recorded in Korea water and its taxonomic characteristics are redescribed.

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A Taxonomic and Ecological Study of Gloiopeltis furcata J. Agardh (Rhodophyta) in Korea

  • Lee, Jae-Won
    • Journal of Plant Biology
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    • 제38권2호
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    • pp.165-171
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    • 1995
  • Plants of G. furcata were divided into four variant populations. The habit characteristics, external and internal morphology were analysed quantitatively in order to clarify their morphological variation. Among four variant populations, type I(typical G. furcata type) and type II(G. furcata f. intricata type) may be influenced by the time when the develop from the crustose basal discs and the tidal level. Type III is the immature plants, and type IV (G. furcata f. coliformis type) is a G. furcata population in late spring after the luxuriant season. For the reason, the formas of G. furcata f. intricata and f. coliformis are no more valid in Gloiopeltis furcata.

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Taxonomic Study on Inocybe in Korea

  • Seok, Soon-Ja;Kim, Yang-Sup;Park, So-Hyun;Min, Kyong-Hee;Yoo, Kwan-Hee
    • Mycobiology
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    • 제28권3호
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    • pp.149-152
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    • 2000
  • Dried specimens of the genus Inocybe collected from mountain areas throughout the Korean country from 1982 to 1998 and preserved in NIAST were investigated. Out of them, Inocybe hystrix were confirmed as an unrecorded species in Korea. In 1991 Lee et al., previously recorded Inocybe kasukayamensis only with its scientific name and korean common name. In this study we report it with full descriptions of morphological characteristics and diagnosis of micro-structures of this species.

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한국산 사초과 식물 잎의 표피형에 대하여(6) (A Study of Epidermal Patterns of the Leaf Blades on Korean Sedges, Eriophorum, Fuirena, Kobresia, Rhynchospora and Scirpus(6))

  • 오용자
    • Journal of Plant Biology
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    • 제17권2호
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    • pp.99-105
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    • 1974
  • Author has studied and reported on taxonomy of Korean sedges, using gross morphology, anatomy and epidermal patterns of the leaf blades(1969, 1971, 1973, 1974). This paper is the 6th report of epidermal patterns of leaf blade on sedges and includes 5 genera, Eriophorum, Fuirena, Kobresia, Rhynchospora and Scirpus. The author proposed to find epidermal patterns of leaf blades as an important taxonomic characteristic of sedges classification. The result of this study, the elements of leaf epidermis, subsidal cells, silica body, cell wall of long cell, prickles, and arrangement of the elements are considered to be significant characteristics for the identification and classification of sedge.

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Morphological Characteristics of Brown Alga Spatoglossum crassum Tanaka (Dictyotaceae, Dictyotales), New to Korea

  • Hwang, Il-Ki;Kim, Hyung-Seop;Lee, Wook-Jae
    • ALGAE
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    • 제19권3호
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    • pp.191-199
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    • 2004
  • Morphological and phonological characteristics of brown alga Spatoglossum crassum Tanaka new to Korea were described based on the field and the indoor cultured plants. The taxonomic characteristics of the plants were agreed to those from the type locality-submerged reproductive organs in cortex, anatomical features, and absence of phaeophycean hairs on the surface. But they have rudimentary midrib on lower portion of thallus. We can observe the young plants on November, adult ones in June, and senile ones in August. This species has an annual life-cycle in the field, starting with germ lings in early November. The differentiation of thallus is quite different from other species of genera in tribe Zonarieae, e.g. Zonaria and Homoeostrichus. Three different tissues, meristoderm, cortex and medulla are discerned. The outmost cortical one celled layer as a meristoderm produce cortex by unequal periclinal division. In the apical cell division, the primary inner cells are developed into 3-4 cell layered medulla of thallus. The distribution of this species extends from Korea to Shizuoka Peninsula (34°40'N) Japan, which is the type locality of this species.

흰줄납줄개(Rhodeus ocellatus)와 줄납자루(Acheilognathus yamatsutae) 잡종의 초기생활사 특징 (Early Life History Characteristics of an Induced Hybrid of Rhodeus ocellatus and Acheilognathus yamatsutae)

  • 박재민;한경호
    • 한국수산과학회지
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    • 제55권2호
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    • pp.137-145
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    • 2022
  • This study was conducted to identify the taxonomic differences in the characteristics of Rhodeus ocellatus and Acheilognathus yamatsutae during their early life history via an interspecific hybridization experiment. Results showed that the hatching rates of the cross-bred eggs were 60% for cross OY (R. ocellatus ♀×A. yamatsutae ♂) and 70% for cross YO (A. yamatsutae ♀×R. ocellatus ♂). The dorsal fin rays of YO were similar to those of R. ocellatus. The hybridization test of A. yamatsutae and R. ocellatus living in the same water stream revealed that no interspecies reproductive isolation occurred. OY and YO showed similar maternal and paternal characteristic. The juvenile of OY did not resemble both paternal and maternal fin rays, indicating a difference. The hatching larvae of the hybrids showed the morphological characteristics of their parents but varied in terms of the shapes of their parts.

흰줄납줄개(Rhodeus ocellatus)와 떡납줄갱이(Rhodeus notatus) 잡종의 초기생활사 특징 (Early Life History Characteristics of an Induced Hybrid Between Rhodeus ocellatus and Rhodeus notatus)

  • 박재민;한경호
    • 한국수산과학회지
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    • 제56권4호
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    • pp.549-557
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    • 2023
  • This study aimed to investigate taxonomic differences in the early life history characteristics of Rhodeus ocellatus and Rhodeus notatus through an interspecific hybridization experiment. The hatching rates of the cross-bred eggs were 50% for the ON cross (R. ocellatus ♀×R. notatus♂) and 67% for the NO cross (R. notatus♀×R. ocellatus♂). Interestingly, the hatching time of the hybrids was longer than that of their parents. The newly hatched larvae exhibited distinct differences in their physical characteristics. The head of the adult fish protruded forward more than that of the ON cross. The pterygoid process was 45° for the ON cross and 90° for the NO cross. Furthermore, the tail shape of the ON and NO crosses closely resembled that of R. notatus.