Japanese name: ダキバアレチハナガサ(抱葉荒地花笠) Scientific name:Verbena incompta
[Overview]
A perennial about 1.5 m tall, found on sunny bare ground, gravelly ground and grasslands.
It is covered with stiff bristles and feels rough.
The stem is square in cross section and branches in the upper part.
Leaves are simple and opposite, narrowly elliptic to broadly linear.
The leaf margins have sharp teeth.
The leaf bases clasp the stem, and the bases of opposite leaves touch each other.
Many spikes 2–5 cm long are produced at the stem tips.
The flowers are pale purple; the corolla is 5-lobed, up to about twice as long as the calyx tube, and does not protrude much from the inflorescence.
The bracts are longer than the calyx tube.
The inflorescence lengthens as flowering progresses.
The fruit is a schizocarp.
[History]
Specimens were first collected in Osaka in 1933, and it is now naturalized in various places.