Oxalis obtriangulata

Oxalis obtriangulata is a species of flowering plant in the genus Oxalis. It is native to the forests of northern Japan, Korea, and far east Russia.

Description
It is a perennial herb and grows 15 - 20 cm high. It grows white flowers with several thin red-violet stripes on each petal. It blossoms in May.

Distribution and habitat
The plant typically grows in forests and shady places at altitudes of 700 - 1500 m.