The characteristic purplish-red colour of the flowers or leaves of these plants.
A red to purple azo dye used as a biological stain, and in some countries in cosmetics and as a food colouring.
Any of various herbs of the genus Amaranthus.
The seed of these plants, used as a cereal.
A vine in the gourd family, Cucumis sativus.
The edible fruit of this plant, having a green rind and crisp white flesh.
A person who is calm and self-possessed.