Those two taxa
have similar external morphology, but Chung (1955) presented
P. ullungdoensis as a new species as it had hair on the base
of lepicena. Recently, Jung (2008), and Jung and Chung
(2008) did not acknowledge existing characteristic as a
trait, and divided them based on the shape of inner glume
surface, but as those two studies did not mention the type
specimen and only arranged on-site investigation, hard to
figure out the exact nature. Therefore, it is judged that it
would be necessary to conduct more detailed comparative
study between the two species.
Those two taxahave similar external morphology, but Chung (1955) presentedP. ullungdoensis as a new species as it had hair on the baseof lepicena. Recently, Jung (2008), and Jung and Chung(2008) did not acknowledge existing characteristic as atrait, and divided them based on the shape of inner glumesurface, but as those two studies did not mention the typespecimen and only arranged on-site investigation, hard tofigure out the exact nature. Therefore, it is judged that itwould be necessary to conduct more detailed comparativestudy between the two species.
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