• Korean Journal of Plant Taxonomy
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• v.44 no.4
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• pp.238-241
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• 2014

A new species, Juncus baekdusanensis M. Kim (Juncaceae), has been named and described from Mt. Baekdu of the Korean peninsula. Juncus baekdusanensis shares several characters (terete leaf blades with leaf sheath auricles, between 1 and 2 flowered inflorescences, and 2 bracteoles) with its related species J. tenuis Willd. It is, however, distinct from J. tenuis which have 1-flowered inflorescences, green perianth, lanceolate perianth segments, acuminate perianth apexes, small capsules, and lowland grassland habitats by having 2-flowered inflorescences, reddish green perianth, ovate perianth segments, acute perianth apexes, large capsules, and highland swamp habitats.