ゲンノショウコの形態の地域変異

概要

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In our previous work, we made a microscopic examination of Genno-shoko {Geranium thunbergii) and reported on the morphology of cultivated G. thunbergii and on the seasonal morphological variations of the leaves, which showed that, G. thunbergii was characterized by the long glandular hairs and epidermal cells of the leaves. As a part of the studies of the morphology of G. thunbergii, in this work, we made microscopic studies of the herbarium specimens of G. thunbergii in order to clarify the regional variations of the plant in Japan. The result showed that G. thunbergii with red flower was distributed in the western part of Japan, that it had long glandular hairs on the calyx and knoblike thickenings on the epidermal cell walls of leaves, that the palisade ratio was 3.6±0.5 and the stomatal indices on the upper and lower epidermis were 4.6±2.0 and 19.8±3.5, respectively, and that lignified cells were found in the phloems of 19 percent of the specimens. But the correlation between the region and the morphological characters were not found.
日本生薬学会の論文
1990-09-20