Any of various herbs of the genus Amaranthus.
A red to purple azo dye used as a biological stain, and in some countries in cosmetics and as a food colouring.
The characteristic purplish-red colour of the flowers or leaves of these plants.
The seed of these plants, used as a cereal.
Any of several similar plants of genera Chenopodium and Atriplex.
Chenopodium album, of the goosefoot family, sometimes used as a potherb