The rough hedge-parsley (Torilis scabra) belong to Apiaceae (the Carrot family). It is an annual herb that is distributed westward from Honshu to Shikoku, Kyushu of Japan, the Korean Peninsula, China and Taiwan. This herb frows in forest edges and roadsides, and can reach abou 60 cm in height. It burgeons in fall and grows purplish stems in spring. The leaves are triternate pinnately compound with fine fronds. The small white flowers bloom in the terminal compuond umbels from April to May. The fruits are oblong about 5 mm long, tinged purple and covered thickly with hooked spines.