Japanese name: イワニガナ(岩苦菜) Scientific name:Ixeris stolonifera var. stolonifera
[Overview]
A perennial found in sunny places in hills and fields.
It spreads by extending reddish creeping stems along the ground.
The leaves are borne alternately on the creeping stems or in rosettes, 0.9–3 cm long and 0.8–2 cm wide, ovate-round to broadly elliptic, thin, with the leaf base abruptly narrowed and clearly set off from the petiole.
The leaf margin is entire.
The petiole is 1–5 cm long.
The flower stem is 5–15 cm long and leafless, and bears 1 to several yellow flower heads, 2–2.5 cm across, in corymbs at its tip.
Each flower head consists of 18–20 florets.
The involucre is 0.8–1 cm long.
The fruit is an achene with a pappus.