Notes For Reference:-　

Species, Varieties, or Forms in the Genus Parentucellia:

Parentucellia viscosa / Seiyouhikiyomogi
　

Parentucellia viscosa / Seiyouhikiyomogi セイヨウヒキヨモギ

Parentucellia viscosa is an annual found on roadsides, riverbanks, etc., with 50-70cm stems erecting straight up without branching, with alternate, relatively thick, simple leaves on them. Leaves lack leaf stalks; the base embraces the stems. P. viscosa bears single 2-3.5cm wide, lip-shaped, yellow flowers at the axils on the upper part of the stems. According to reports, this species is native to Europe. Bloom time: May-June.