• Title/Summary/Keyword: emarginate

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A Revision of Mesozoic Equisetales Annuriopsis bunkeiensis Kimura et Kim from the Amisan Formation of Nampo Group, Korea

  • Lee, Won-Kook;Kim, Yeo-Sang;Kim, Chilng-Young;Kim, Hee-Soo;Kim, Jong-Heon
    • Journal of the Korean earth science society
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    • v.25 no.1
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    • pp.32-38
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    • 2004
  • Some fine specimens of Annulariopsis bunkeiensis were collected from two fossil sites of the Amisan Formation of Nampo Group distributed in the Jogaegol, Boryeng City, Chungnam Province. According to our detailed study from our new material, the leaves of A. bunkeiensis are not mucronate, but emarginate at their apices. Accordingly, we revised the diagnostic characters given by Kimura and Kim (1988) mainly in regard to the leaf apex.

A New Cultivar of Gypsophila paniculata 'Double Shine' with Bright Colored Flower and Strong Stem (줄기가 강하고 밝은 화색의 절화용 안개꽃 '더블샤인' 육성)

  • Cheong, Dong-Chun;Choi, Chang-Hak;Song, Young-Ju;Lim, Hoi-Chun;Kim, Jeong-Man;Lee, Jin-Je;Lee, Jung-Soo
    • Horticultural Science & Technology
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    • v.30 no.1
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    • pp.93-96
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    • 2012
  • 'Double Shine', a cultivar of Gypsophila paniculata was newly developed for the cut flowers by Jeollabuk-do Agricultural Research & Extension Services. It has morphological characteristics of the spreading plant type, double florets of many petals and two pistils, emarginate petal tip and cup shaped calyx. Also 'Double Shine' has several traits such as strong flower stalk, bright colored flower, narrow branching angle and more or less resistance to powdery mildew and pest injury. Furthermore, 'Double Shine' produced higher primary branches, and longer flower stalk length with internodal length and than did a check variety 'Bristol Fairy' during summer cultivation in subalpine areas. Blooming of 'Double Shine' was delayed by 16 days, its floret had broader width, compared to 'Bristol Fairy'. Moreover, 'Double Shine' produced normal flowers with two pistils and 8.5 stamens, with little production of malformed flowers in the high temperature condition.

A New Cultivar of Gypsophila paniculata with Powdery Mildew Resistance and Double Florets of Pink Color, 'Dream Pink' (흰가루병에 강한 분홍색 절화용 안개꽃 '드림핑크' 육성)

  • Cheong, Dong-Chun;Lim, Hoi-Chun;Choi, Chang-Hak;Song, Young-Ju;Kim, Jeong-Man
    • Horticultural Science & Technology
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    • v.29 no.5
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    • pp.500-502
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    • 2011
  • 'Dream Pink', a cultivar of Gypsophila paniculata was newly developed for cut flowers by Jeollabuk-do Agricultural Research & Extension Services. It has morphological characteristics of the intermediate plant type, double florets with many petal and two pistils, emarginate petal tip and campanulate calyx shape. Also 'Dream Pink' had several other traits such as strong flower stalk, deep pink flower color, resistance to powdery mildew and pest injury. Furthermore, 'Dream Pink' produced higher number of nodes, primary branches, longer flower stalk length with long intermodal length. In subalpine area, 'Dream Pink' cultivar showed narrow branching angle as compare to 'My Pink', during the summer cultivation. Blooming in 'Dream Pink' was delayed by 5 days, its florets were broader with more number of petals as compare to 'My Pink'.

An unrecorded species in Korean flora: Sedum tosaense Makino (Crassulaceae) (한국산 미기록 식물: 주걱비름 (돌나물과))

  • Song, Gwan-Pil;Song, Kuk-Man;Hyun, Hwa-Ja;Kim, Chan-Soo;Kim, Moon-Hong
    • Korean Journal of Plant Taxonomy
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    • v.34 no.4
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    • pp.359-364
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    • 2004
  • Sedum tosaense Makino (Crassulaceae), an unrecorded species in Korean flora, was collected from parasitic crater, Sangumburi in Jocheon-eup Bukjeju-gun, Jeju-do. This species is most similar to S. bulbiferum and S. orizifolium, but differs in some substantial characters. S. tosaense is perennial and stoloniferous herb with bulbils on stems, while S. bulbiferum is annual or biennial herb without bulbils in leaf axil. In addition, S. tosaense has leaves emarginate at apex whereas S. bulbiferum has leaves somewhat uneven at apex. the leaves of S. tosaense are conspicuously flattened and spatulate in shape at the stem without flowers, but those of S. orizifolium, are terete or slightly flattened and linear to narrowly oblong in shape.

Morphological Characteristics of Needle Leaves and Analysis of Abies species based on Chloroplast DNA Sequences (한국 전나무(Abies holophylla), 일본 전나무(A. firma, A. homolepis), 그리고 법정 보호 전나무의 잎 형태적 특성 및 엽록체 DNA 분석)

  • Ahn, Chang Ho;Choi, Yong Eui;Park, Wan Geun;Han, Jung Yeon;Kwak, Yoo Shin;Kim, Se Chang;Park, Chan Woo
    • Journal of Korean Society of Forest Science
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    • v.108 no.2
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    • pp.200-207
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    • 2019
  • The aim of this study was to provide the basic information necessary to identify Korean fir (Abies holophylla), momi fir (A. firma), and Nikko fir (A. homolepis), and other fir trees planted in South Korea that are protected by law. Analysis of the morphological characteristics of the needles from each sample was investigated. The shape of the needle-leaf tip from A. holophylla was acute, whereas that from A. firma and A. homolepis was emarginate and that from the protected fir trees was obtuse. The number of stomata on the needles was not significantly different between A. holophylla and A. firma, and the number of stomata on the needles from A. homolepis and the protected fir trees were highly similar. In addition, the genetic differences among the Abies species were analyzed using the sequences of five chloroplast DNA regions-matK, atpF-atpH, rpoC2-rps2, rpoC1, and psbA-trnH.The atpF-atpH and psbA-trnH regions were useful for discriminating A. firma from the other species, but there were no differences among A. holophylla, A. homolepis, and the protected fir trees. The same chloroplast sequences were found in both A. holophylla and A. homolepis, which suggests that additional genetic studies might be necessary to identify the Abies species planted in both South Korea and Japan.