日韓海峡域におけるダンギク(クマツヅラ科)の分布と生態

概要

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Caryopteris incana Maxim. (Verbenaceae) is distributed from Korean Peninsula, through Tsushima, to western Kyushu, Japan. In Tsushima and western Kyushu, the species can be found only on rocky outcrops of tuff breccia, volcanic breccia and basalt. In southwestern tip of Korean Penunsula, the species was found only on utcrops of various rocky formations. On Cheju Island of Korea, which is of volcanic origin, it occurrence was restricted to exposed basaltic rock. In Korean C. incana-bearing communities, character species of Association Caryopterido-Selaginellatum, such as Selalginella tamariscina and Chrysanthemum indicum were absent, while Cymbopogon tortilis, Artemisia capillaris, and Rosa wichuraiana were present and common to Japanese communities. Chrysanthemum zawadskii var. latilobum, Themeda japonica, Kengia hackelii, Herteropappus hispidus var. hispidus, Corchoropsis tomentosa, which are common in Japanese communites, were frequent in Korean communities as well.
〔長崎大学教養部〕の論文
1993-07-30