Japanese name: オッタチカタバミ Scientific name:Oxalis dillenii
[Overview]
A perennial commonly seen along roadsides and on vacant lots.
It has a rhizome that extends horizontally underground.
The whole plant is covered with white hairs.
The stem branches at the base and stands erect; at about 2 mm in diameter, it is thicker than that of Katabami.
The leaves are clustered on the upper part of the stem and are ternately compound, with heart-shaped leaflets.
The leaflets close and droop at night and in cold temperatures.
There are ovate stipules.
The flowers are yellow, 5-petaled, borne 2–5 in an umbel; they open in fine weather and close when the light weakens.
After flowering, the flower stalk (fruit stalk) turns downward.
The fruit is a cylindrical capsule, and it scatters its seeds when ripe.
