Japanese name: セイヨウヒキヨモギ(西洋引蓬) Scientific name:Parentucellia viscosa
[Overview]
An annual 50–70 cm tall, found on embankments and along roadsides.
A hemiparasitic plant.
White hairs and glandular hairs grow over the whole plant, which is sticky.
The stem is erect and unbranched.
Leaves are simple and alternate, elliptic to lanceolate, thick, with sunken veins.
The leaf margins are toothed.
There is no leaf stalk, and the leaf base slightly clasps the stem.
The flowers are solitary in the upper leaf axils of the stem; they are yellow, two-lipped, and 2–2.5 cm long.
The upper lip is helmet-shaped, and the lower lip is 3-lobed.
The fruit is a capsule enclosed in the calyx.
[History]
Confirmed in Funabashi, Chiba in 1973, it has become naturalized in the Kanto region and westward.