Phtheirospermum japonicum is a species in the
Phtheirospermum genus.
.
This name is accepted name for the species in
the family
Orobanchaceae
. This species is found in Amur, China North-Central, China South-Central, China Southeast, Hainan, Inner Mongolia, Japan, Khabarovsk, Korea, Manchuria, Primorye, Qinghai, Tibet.