• Title/Summary/Keyword: 고랭이속

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Taxonomic study of Korean Scirpus L. s.l. (Cyperaceae) I. Morphology of Bolboschoenus (Asch.) Palla, Schoenoplectus (Rchb.) Palla, Schoenoplectiella Lye, Scirpus L., and Trichophorum Pers. (한국산 광의의 고랭이속(사초과)의 분류학적 연구 I. 매자기속, 큰고랭이속, 올챙이골속, 고랭이속, 애기황새풀속의 형태적 특성)

  • Jung, Jongduk;Choi, Hong-Keun
    • Korean Journal of Plant Taxonomy
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    • v.41 no.1
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    • pp.16-34
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    • 2011
  • Scirpus L. s.l. of Cyperaceae has been regarded as a monophyletic group, but the taxa of Scirpus s.l. were rearranged into the five independent genera in recent molecular phylogenetic research: Bolboschoenus (Asch.) Palla, Schoenoplectus (Rchb.) Palla, Schoenoplectiella Lye, Scirpus L., and Trichophorum Pers. In this study, we examined the morphological characteristics and presented the delineation of the five genera of Scirpus s.l., including 21 taxa from South Korea. As a result of our investigation and analysis of domestic collections and those from abroad, the each taxon could be identified using key characteristics of the rhizome features; a cross-section of culm; the degree of development and the width of leaves; the shapes of the membranous region of leaf sheath; and the shapes and size of inflorescence, bract, floral scale, and achene. These major characteristics are illustrated and artificial keys are suggested in this study. In addition, we suggest a new combination for an unrecorded taxon of Schoenoplectiella that was discovered in Gangwon-do, Goseong-gun and give it the Korean name, as 'a-do-song-i-go-raeng-i'.

A taxonomic study on the Fuirena, Kobresia, and Scleria of Korea(Cyperaceae) (한국산 사초과 3속(검정방동산이속, 좀바늘사초속, 너도고랭이속)의 분류학적 검토)

  • Oh, Yong Cha;Lee, Chang Shook;Lee, Jae Kyung
    • Korean Journal of Plant Taxonomy
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    • v.32 no.4
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    • pp.363-382
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    • 2002
  • Morphological characters of three taxa belonging to three genera (Fuirena, Kobresia, and Scleria) in Korean Cyperaceae were reexamined. The anatomical patterns of stems and leaves, and epidermal patterns of achenes and leaves were investigated by a scanning electron microscope (SEM) and a light microscope (LM). Based upon the results, the scientific and Korean names, which have not been clearly established, were reviewed. Morphological characters such as length and width of stem, leaf, bract, scale, achene, and shape of achene, spikelet, style base, scale, perianth, and anatomical characters such as shape of stem and leaf, shape of achene epidermal cell and silica body of leaf, size and frequency of stomatal complex, presence of bulliform cell were useful for an identification of the three taxa.

The First Record of Scleria caricina (R. Br.) Benth. (Cyperaceae) in Korea (한반도 미기록 식물: 애기개올미(사초과))

  • Jang, Chang-Seok;Lee, You-Mi;Park, Su-Hyun;Kim, Jong-Hwan;Cho, Yang-Hoon
    • Korean Journal of Plant Taxonomy
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    • v.40 no.3
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    • pp.179-182
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    • 2010
  • We report S. caricina (R. Br) Benth. (Cyperaceae) as an unrecorded species from Sinan-gun, Jeollanam Province on the Korean peninsula. This taxon was known to be distributed mainly in southeast Asia, China, Japan, and the northern part of Australia. S. caricina is distinguished from other species of the genus Scleria in Korea by having congested inflorescences, 3-toothed pistillate scales at the apex, and enclosed achenes in 2 scales. The new Korean common name, 'Ae-gi-gae-ol-mi', is given considering the small-size of the plants. A description based on the morphological characters and the illustrations of this species are provided with a taxonomic key to the species of Scleria in Korea.

Morphology of Silica bodies on Cyperaceae in Korea (한국산 사초과(Cyperaceae) 식물의 규소체(Silica body) 형태에 의한 분류)

  • Oh, Yong Cha
    • Korean Journal of Plant Taxonomy
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    • v.35 no.4
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    • pp.313-335
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    • 2005
  • Many plants take up soluble silica from the soil, and they deposit in plant tissues. Silica bodies are most commonly found in the leaf epidermis. Silica body is important factor in growth and development of plant. It help to maintain rigidity in stem and linear leaves, and its content may be correlated with resistance to fungal disease. In this study, several morphologically distinctive forms of silica bodies on Cyperaceae in Korea are recognized, which are eventually classified into two groups. Silica body type of first group (Rhynchospora, Fuirena, Scleria, Carex, Eriophorum) is A-type, which is conical in shape. Silica body type of second group (Cyperus, Scirpus, Eleocharis, Fimbristylis, Kyllinga, Bulbostylis, Lipocarpha) is B-type, which is conical in shape with numerous satellite body. These types are consistent enough to use as characters in taxonomic studies within genus. Silica body type may be associated with habitat: the species in dry region have A-type, whereas the species in wet region have B-type. These results suggested that shapes and presence or absence of silica body might be valuable to systematic analysis.