The Blue sanicle (Sanicula caerulescens) belongs to Apiaceae (the Carrot family). It is a perennial herb that is native to central-southern China, from Chongqing to Sichuan and Yunnan. This herb grows in moist mountain woodlands and can reach about 40 cm in height. The basal leaves are cordate-ovate, palmately 3-5-parted or trifoliolate with purplish petioles. The Inflorescence is subracemose, sometimes several umbels in fascicles, and blooms white, pale blue to bluish purple flowers from March to July. The fruit is globose or ellipsoid cremocarp, about 2 mm, covered with short and straight spinous-bristles.