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Two new naturalized species from Korea, Amaranthus hybridus and Crepis tectorum  

Lee, You Mi (Korea National Arboretum)
Park, Su Hyun (Korea National Arboretum)
Jeong, Jae Min (Korea National Arboretum)
Publication Information
Korean Journal of Plant Taxonomy / v.35, no.3, 2005 , pp. 201-209 More about this Journal
Abstract
Two new naturalized species, Amaranthus hybridus and Crepis tectorum, are reported here. Descriptions and illustrations of the species and comparison of morphology with related species are provided. Amaranthus hybridus was first found at Nanjido, Seoul and is widely distributed in the central and southern part of Korean peninsula. New Korean name is given as "Ginteolbireum". It is well distinguished from the related species, A. retroflexus and A. patulus, by its late flowering time (September to October), sparse hair on the leaves, similar length between tepal and fruit, and long inflorescence without division. Crepis tectorum was first found at the entrance of Weoljeongsa Temple in Pyongchang-gun, Gangwon-do and spreads rapidly to other areas. New Korean name is given as "Nadomindulle".
Keywords
Amaranthaceae; Amaranthus; Asteraceae; Crepis; New naturalized species;
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