"Moiwa-shajin" (Adenophora perskiaefolia var. moiwana) belongs to the Campanulaceae (the Bellflower family). It is a perennial herb that is native to Tohoku district of Honshu and Hokkaido in Japan. This herb grows on sunny mountains and can reach 30-60 cm in height. The basal leaves are ovate-cordate with long petioles, and the cauline leaves are lanceolate to ovate, arranged in whorled or alternate. The racemes are borne and pruduce pale purple or white flowers from July to September. The corolla is broad campanulate, about 2 cm long, and the style protrudes slightly from the corolla.