annatto

also a·nat·to (ə-näˈtō)

1. A tropical American evergreen shrub or small tree (Bixa orellana), having heart-shaped leaves and showy, rose-pink or sometimes white flowers. Also called lipstick tree.
2. The seed of this plant, used as a coloring and sometimes as a flavoring, especially in Latin American cuisine.
3. A yellowish-red dyestuff obtained from the seed aril of this plant, used especially to dye fabric and to color food products such as margarine and cheese.