Lysimachia tashiroi ("Onikonasubi")

Japanese name: オニコナスビ （鬼小茄子）
Scientific name: Lysimachia tashiroi

A perennial found at forest edges along valleys in mountains and hills.
The stems are thick, creep along the ground, and are densely covered with brown soft hairs.
Leaves are simple and opposite, broadly ovate, 2–4 cm long and 1.5–3 cm wide, somewhat thick, with a rounded or slightly notched tip.
The leaves have no black glandular dots.
The petiole is 7–25 mm.
The flowers are solitary in the leaf axils of the upper stem, yellow, 1.5 cm across, with an orange tinge at the center.
The corolla is 5-lobed and the lobes are oblong with rounded tips.
The fruit is a capsule.

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