Perilla is a genus of annualherb which is a member of the mintfamily. In mild climates the plant can reseed itself. There are both green leafed and purple leafed versions of this plant. The plant's leaves resemble stinging nettle leaves, though slightly rounder in the shape.
Koreans use Perilla frutescens leaves and seeds in cooking.
Japanese use Perilla frutescens var. crispa leaves in cooking.