👉 Simmondsia is a genus of flowering plants in the family Apiaceae, native to North America. It includes several species that are commonly known as "simmonsias". These include the common simmer (Simmondsia chinensis), which is widely cultivated for its ornamental value and culinary use; the red simmer (Simmondsia triloba) used in herbal medicine; and the black simmer (Simmondsia nigra).