The upright hedge parsley (Torilis japonica) belongs to Apiaceae (the Carrot family). It is an annual herb that is distributed all over Japan, the Korean Peninsula, China, and Taiwan. This herb usually grows in fields and roadsides and can reach 30-70 cm in height. The stem is green and covered with hairs. The leaves are biternate to triternate compound with fine dissected leaflets. The umbels are borne on the tips of the branches and bloom small white flowers from May to July. The fruits are brown ovate, covered with hook-shaped hairs, and are carried by sticking to the hairs and clothing.