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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Korean Journal of Plant Taxonomy
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Journal DOI :
The Plant Taxonomic Society of Korea
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Volume & Issues
Volume 38, Issue 4 - Dec 2008
Volume 38, Issue 3 - Sep 2008
Volume 38, Issue 2 - Jun 2008
Volume 38, Issue 1 - Mar 2008
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Taxonomic Implications of Seed Coat in the Subtribe Calthinae (Ranunculaceae)
Heo, Kweon ; Suh, Young-Bae ;
Korean Journal of Plant Taxonomy, volume 38, issue 1, 2008, Pages 1~16
Anatomical features of seed coat were examined on Trollius, Calathodes, and Caltha of Ranunculaceae to evaluate the taxonomic circumscription of Megaleranthis saniculifolia, which is monotypic and endemic in Korea. Megaleranthis saniculifolia showed the exotestal type of seed coat exhibiting a well-developed palisade structure in exotesta and its external surface of exotesta cells was concave. On the other hand, the shape of exotesta cells in Caltha was cuboidal and the outer surface was smooth. The exotesta of Calathodes seeds was formed of the palisade structure like M. saniculifolia, but the outer surface of exotesta cells was smooth. The palisade structure was much better developed in the exotesta of Calathodes as well as Megaleranthis seeds than in the exotesta of Trollius seeds. The outer surface of exotesta cells in Trollius was either convex or concave according to the species examined. Since the genera of the subtribe Calthinae of the family display differences in seed sculpturing and the anaotmy of seed coat, these characteristics are useful to access taxonomic relationships among them. The morphological and anatomical features of seed coat suggest that Megaleranthis be possibly allied with Trollius rather than Caltha or Calathodes. Concave surface of seed coat cells and well-developed palisade structure of exotesta are shared by M. saniculifolia and some species of Trollius in common.
Relationship of Lycoris (Amaryllidaceae) Based on RAPD Markers
Tae, kyoung-Hwan ; Kim, Yong-Hyun ; Shin, Young-Hwa ; Kang, Shin-Ho ; Kim, Joo-Hwan ; Ko, Sung-Chul ;
Korean Journal of Plant Taxonomy, volume 38, issue 1, 2008, Pages 17~29
Phylogenetic relationships were examined for 17 taxa of Lycoris by RAPD analysis. The length of the amplified DNA fragments ranged from 300 bp to 1,700 bp. 57 scorable RAPD markers were observed from PCR reactions with five random oligoprimers. The analysis by UPGMA sepatated the examined taxa of Lycoris into were clusters. First group was comprised of ten taxa of L. chinensis var. sinuolata, L. sanguinea var. koreana, L. uydoensis, L. flavescens, L. radiata var. pumila, L. radiata, L. squamigera, L. chejuensis, L. aurea and L. guangxiensis, second group of L. haywardii, L. sprengeri, L. rosea, L. straminea and L. houdyshii, third group of outgroup of Narcissus tazetta var. chinensis and Crinum asiaticum var. japonicum. From the viewpoint of cytological characters such as polyploidy and karyotype, the RAPD analysis was very useful to show the relationship among the intraspecific taxa of Lycoris.
Numerical Taxonomic Analyses of Bupleurum latissimum (Apiaceae)
So, Soon-Ku ; Park, Hye-Rim ; Seo, Eun-Kyoung ; Han, Kyeong-Suk ; Kim, Mu-Yeol ; Park, Ki-Ryong ;
Korean Journal of Plant Taxonomy, volume 38, issue 1, 2008, Pages 31~42
It was revaluated about taxonomic position of Bupleurum latissimum Nakai (Apiaceae) by the cluster analysis, the principal component analysis, and the discriminant analysis. Its diagnostic characteristics include bracteole length longer than umbellules, 16-21 pedicel numbers, plant with evergreen leaves, chromosome number 2n = 16 and cauline leaves with auriculate base. It is morphologically similar to B. euphorbioides in having ovate bracteoles, 16-21 pedicel numbers, chromosome number 2n = 16, and cauline leaves with auriculate base, but distinguished from B. longiradiatum with having linear bracteoles, 7-15 pedicel numbers, and chromosome number 2n = 12. Morphological characters support that Bupleurum latissimum Nakai is a Korean endemic species.
Pollination Mechanism of Bupleurum latissimum (Apiaceae)
So, Soon-Ku ; Han, Kyeong-Suk ; Kim, Mu-Yeol ; Park, Hye-Rim ; Seo, Eun-kyoung ; Kim, Yang-Pyo ; Kim, Tae-Heung ;
Korean Journal of Plant Taxonomy, volume 38, issue 1, 2008, Pages 43~50
The pollination system of Bupleurum latissimum Nakai (Apiaceae) was investigated in the natural population of Korea. The various insects of 19 species, 11 families, 5 orders visited the flowers of B. latissimum. Episyrphus balteatus and Lasioglossum occidens were considered as the most effective pollen vector which have associated specially with B. latissimum. The visitation frequency peaked at 10 AM - 13 PM and no visitor was recognized during night time. The flowers of B. latissimum last during only three days and they are protandry. It is also confirmed that the flower of B. latissimum is self-compatible and cross-pollination by vectors is critical for successful seed setting.
Regulation of Leaf Polarity during Leaf Development
Cho, Kiu-hyung ; Jun, Sang-Eun ; Hirokazu, Tsukaya ; Kim, Gyung-Tae ;
Korean Journal of Plant Taxonomy, volume 38, issue 1, 2008, Pages 51~61
Leaves are indeterminate organs and possess a lot of genes which is involved in establishing leaf polarities. These polarities are regulated relatively early during leaf development and defined relative to the factors intrinsic to the primordia and interactions with the shoot apical meristem (SAM). Recently, several genes that control the polarity of lateral organs have been identified. Our genetic study of deformed root and leaf1 (drl1) mutant, which produces narrow, filament‐like leaves and defective meristems, revealed that DRL1 is involved in the regulation of SAM activity and leaf polarity. The DRL1 gene was found to encode a novel protein showing homology to Elongator‐associate protein (EAP) of yeast KTI12. The amino acid sequence of DRL1 is universally conserved in prokaryotes and eukaryotes. DRL1 and the plant DRL1 homologs clearly formed a monophyletic clade, suggesting the evolutionary conservation of DRL1 homologs was maintained in the genomes of all land plants.
The First Record of Knorringia sibirica subsp. sibirica (Polygonaceae) in Korea
Choi, Hyeok-Jae ; Park, Soo-Hyun ; Yang, Jong-Cheol ; Lee, You-Mi ; Ko, Jeong-En ; Hong, Suk-Pyo ;
Korean Journal of Plant Taxonomy, volume 38, issue 1, 2008, Pages 63~68
We report a taxon of the unrecorded genus Knorringia (Polygonaceae) from Baengryeongdo, Ongin-gun, Incheon-si in the Korean peninsula. This taxon is K. sibirica (Laxm.) Tzvelev subsp. sibirica., has been known from Siberia, Mongolia and China. The new Korean name, 'Si-be-ri-a-yeo-kkwi', was given considering the species epithet and the type locality, Siberia. Description, illustration and photograph showing habitat were given.
An Unrecorded Species from Korean Flora: Vallisneria spinulosa (Hydrocharitaceae)
Na, Hye-Ryun ; Shin, Hyun-Chur ; Choi, Hong-Keun ;
Korean Journal of Plant Taxonomy, volume 38, issue 1, 2008, Pages 69~77
We report Vallisneria spinulosa S. Z. Yan (Hydrocharitaceae) as an unrecorded species from the flora of Korea. This aquatic vascular plant occurs in reservoirs, streams, and ditches at Changnyeong, Changwon, and Gimhae which belong to Nakdong river basin. Vallisneria spinulosa is distinguishable from V. natans (Lour.) Hara already known to Korean flora by the presence of turion and hairs at base of stamen, adnation between pistil and staminodia, the number of stamen, and shape of fruit and seed. V. spinulosa is similar to V. desnseserrulata Makino in the viewpoint of distribution (Japan and southern China), but V. spinulosa has three to five epidermal wings on the surface of seed.