• Korean Journal of Plant Resources
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• v.16 no.1
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• pp.61-73
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• 2003

External and anatomical characters such as stem, leaf, ovary, calyx lobe, ultrastructure of stigma epidermis of leaf blade and midvein, corolla lobe, seed coat and pollen were examined on Pterygocalyx volubilis and Tripterospermum japonicum of Korean Gentianaceae. Fruit characters(capsule and berry), absent or not of corona and pollen characters(reticulate and striate) has been used by identification characters of two taxa. But study results, external characters(root, leaf, calyx lobe, stigma, anther), internal characters(calyx love, ovary) and ultrastructure characters(epidermis o leaf blade and midvein, corolla lobe, seed coat) were useful for species identification. Taxonomic relationships among problematic taxa were discussed.