Lysimachia mauritiana is a species of flowering plant in the primrose family Primulaceae. It is native to eastern Asia, where it is widespread in coastal areas.[1] Areas it is native to include China, Japan, Korea, Taiwan, the Philippines, and various islands in the Indian and Pacific Ocean.[1] It is considered to be a common species in Japan.[2] Its natural habitat is along beaches and maritime rock crevices.[1]
It is a biennial, growing to 50 cm tall. It has fleshy spathulate to obovate leaves. It produces white terminal racemes of flowers in late spring and early summer.[1][2]