| 정량적 형질을 중심으로 한 한국산 서어나무속의 재검토 |
| 전정일, 장진성 |
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| Reconsideration of Carpinus L. ( Betulaceae ) of Korea primary based on quantitative characters |
| Jeong Ill Jeon, Chin Sung Chang |
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| Abstract |
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A morphological analysis of the Genus Carpinus L. of Korea was undertaken to assess the numbers and ranks of taxa that usefully could be recognized. One hundred sixty four individuals of personal collections and herbarium specimens were scored for 18 quantitative characters of leaf and fruiting bracts and the data matrix subjected to univariate and principal components analysis. At the same time, all individuals representing the total geographic range of the species were scored for 22 qualitative characters. The results of principal components analyses on 18 quantitative characters indicated that the number of secondary veins of leaf, the number of fruiting bracts and the length of fruit were thought to be important in the delimitation of species. All the infraspecific taxa except C. laxiflora var. longispica Uyeki, however, were indistinguishable by these quantitative characters. On the other hand, examining on qualitative characters, C. tschonoskii var. brevicalycina Nakai was distinct by the nutlet protrudes over its seed coat. Therefore, four species and two varieties were recognized as follows: Carpinus erosa Blume, C laxiflora (Sieb. et Zucc.) Blume, C. laxiflora var. longispica Uyeki, C. tschonoskii Maximowicz, C. tschonoskii var, brevicalycina Nakai, and C. turczaninovii Hance. Since Carpinus erosa has priority over C. cordata Blume in Blume`s Museum Botanicum Lugduno-Batavum, the correct name is therefore C. erasa. Using a key to the taxa produced from all results, the distributions of the four species and two varieties were determined and nomenclatural synonymies were developed. Chong son gun and Mt. Duk-hang (Sam-chok-gun) in Kang-won province, northeastern part of South Korea, were reported for the first time as new distribution sites of C. turczaninovii. The distribution of character variation between C. coreana and C. turczaninovii, Hance, however, showed that most characters vary, and no character exhibited an evident gap in character states between these two species. Therefore, C. coreana was indistinguishable from C. turczaninovii on the basis of morphology, supporting |
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