Japanese name: スズムシバナ(鈴虫花) Scientific name:Strobilanthes oligantha
[Overview]
A perennial 40–80 cm tall, growing in woodland in the mountains.
The aboveground parts die back in winter.
The stem is erect and branched, with obtuse 4 ridges, and the nodes bear long white hairs.
Leaves are simple and opposite, broadly ovate to triangular-broadly ovate, 4–9 cm long and 2.5–7 cm wide, with soft hairs on the veins of the underside and serrate margins.
The petioles are slender.
Young leaves bear long white hairs.
Several flowers form clusters at the branch tips; they have no flower stalks and are pale purple and tubular, 3–3.5 cm long, with a 5-lobed tip.
The calyx and leaf-like bracts bear long white hairs.
The fruit is a capsule.