Patrinia triloba var. triloba ("Hakusan'ominaeshi")

Japanese name: ハクサンオミナエシ （白山女郎花）
Scientific name: Patrinia triloba var. triloba

[Overview]
A perennial 20–60 cm tall, growing on rocky ground in the mountains.
It has creeping underground stems.
The stem is erect.
The leaves are opposite, broadly ovate, up to 10 cm long and 3–10 cm wide, palmately divided into 3–5 lobes, and the lobes have notches or teeth.
Cymes at the stem tips bear many flowers.
The flowers are yellow, 5 mm across; the corolla is 5-lobed and has a small, inconspicuous spur at the base.
There are 4 stamens.
The fruit has wings.

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