Abstract
Several taxonomic problems of KoreanSmilacina were examined by statistical methods, based on morphological data. Consequently,S. davurica described in Korean flora differs greatly from originalS. davurica, and closely related toS. bicolor morphologically. Therefore, the present authors treated this new taxon as a variety ofS. bicolor, S. bicolor var.flavovirens N. S. Lee et J. Y. Kim var. nov (“Yondusomdae” in Korean). The distribution in South Korea ofS. bicolor var.bicolor is known as only Mt. Chiri, but this species is collected in Mt. Dukyou, also. The bounds of morphological variations ofS. japonica var.japonica, the short plant size and no hairs on the stem, were revealed. The morphological characteristics ofS. japonica var.japonica andS. japonica var.mandshurica is obscure to distinguish. According to the present study,S. japonica var.mandshurica differs fromS. japonica var.japonica in plant size, size of adaxial leaf epidermal cell, ratio of style/ovary length and shape of stigma. The unrecorded taxon in Korean flora,S. robusta, was given a new Korean name as “Kunsomdae.” AlthoughS. japonica var.mandshurica is the variety ofS. japonica var.japonica, it is more closely related toS. robusta than toS. japonica var.japonica.
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