Japanese name: イワハタザオ Scientific name:Arabis serrata var. japonica
[Overview]
A perennial 15–45 cm tall, found mainly on rocky ground along mountain streams.
The stem sometimes branches in the upper part.
There are two kinds of leaves, basal leaves and stem leaves.
The basal leaves are narrowly obovate and narrow abruptly at the base.
The stem leaves are alternate simple leaves, oblong, and clasp the stem at the base.
The leaf margins have low teeth, and forked and stellate hairs are mixed; simple hairs are very few except on the leaf margins.
A raceme at the stem tip bears white flowers with 4 petals.
The fruit is a long linear silique, borne spreading in an arch.
