• Korean Journal of Plant Taxonomy
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• v.36 no.2
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• pp.145-151
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• 2006

Two naturalized allien species are reported from Jeju Island: Papaver setigerium collected from the ground along the road in lowland Veronica serpyllifolia collected from the roadside and ranches on alt. 400-800 m. P. setigerium is similar to P. somniferum, but different from the latter by plant height of 30-70 cm, shorter discoid stigma than fruit in diameter, somewhat sparsely bristly on stems, leaves and calyxes. V. serpyllifolia is similar to V. tenella in morphology, but different from the latter by short plant height, petiolated leaves on lower stem and serrated leaf margins.