Japanese name: オオマルバコンロンソウ（大丸葉崑崙草） Scientific name:Cardamine arakiana
[Overview]
A perennial 10–40 cm tall, found in the mountains.
The rhizome is partly thickened.
The stem is usually hairy.
Leaves are usually odd-pinnately compound with 3 leaflets; the leaflets are round to kidney-shaped with heart-shaped bases and distinct leaflet stalks.
The leaf margins have rounded teeth.
The leaf stalk is long, and there are no ear-like appendages at its base.
Simple leaves or odd-pinnately compound leaves with 5 leaflets sometimes appear.
A short raceme arises at the top of the stem and bears white four-petaled flowers.
The petals are obovate, 4–7 mm long.
The fruit is a linear, hairless silique 2.5–4 cm long.
The seeds are arranged in a single row in the fruit.
