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Taxonomic review of the Stewartia koreana Nakai ex Rehder (Theacease)  

Kwon, Hyejin (Korea National Arboretum)
Song, Hokyung (Division of Environmental Forestry Resources, Chungnam National University)
Kim, Muyeol (Division of Biological Sciences and Korean Institute for Biodiversity Research, Chonbuk National University)
Publication Information
Korean Journal of Plant Taxonomy / v.38, no.3, 2008 , pp. 233-250 More about this Journal
Abstract
Morphological and molecular data from the nuclear ribosomal ITS regions were examined to reevaluate the taxonomic position of the Korean endemic species, Stewartia koreana Nakai ex Rehder (Theaceae). Comparing to its morphologically closely related S. pseudocamellia Maxim, S. koreana has diagnostic characters including a larger leaf blade (10 cm length and 5.5 cm wide) and a longer pedicel (2.5 cm length). In addition, S. koreana formed a different clade from S. pseudocamellia in the ITS trees. The morphological and ITS sequence data supported S. koreana as a Korean endemic species distinct from the closely related species, S. pseudocamellia.
Keywords
Stewartia koreana; Theaceae; ITS;
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