Japanese name: コンロンソウ(崑崙草) Scientific name:Cardamine leucantha var. leucantha
[Overview]
A perennial found in damp places in the mountains and in wetlands along rivers.
It has slender, horizontally extending rhizomes and forms colonies.
The stem is 25–70 cm tall, branches in the upper part, and is hairy.
The stem bears 4–7 leaves, which are alternate, odd-pinnately compound, with 5–7 leaflets.
The leaflets are oblong-lanceolate, 4–10 cm long and 1–3 cm wide, with irregular teeth on the margin.
Both surfaces of the leaves are hairy.
The leaves have long petioles.
The flowers are borne in racemes and are white with 4 petals.
The petals are obovate, 5–10 mm long.
There are 6 stamens.
The fruit is a silique 1.6–3 cm long.
Inside the fruit, many elliptic seeds about 2 mm long are arranged in a single row.