Japanese name: オオヂシバリ(大地縛) Scientific name:Ixeris japonica
[Overview]
A perennial found along roadsides and on paddy ridges.
It spreads by extending reddish creeping stems along the ground.
The leaves are alternate, 10–20 cm long including the petiole and 1.5–3 cm wide, oblanceolate to spatulate-oblong, thin, with the leaf base running down into the petiole.
The leaf margin is entire, but the lower part is sometimes pinnately notched.
Some leaves occasionally exceed 30 cm in length.
The flower stem is 10–30 cm long and leafless, and bears 1–5 yellow flower heads, 2.5–3 cm across, in corymbs at its tip.
Each flower head consists of 20–24 florets.
The involucre is 1.2–1.4 cm long.
The fruit is an achene with a pappus.
[Uses]
The whole plant is used as a folk medicine.