Table 1.

The origin, type, and uses of amaranth species worldwide.

Amaranth Species	Origin	Leafy or Grain	Uses	References
A. cruentus	America	Grain and leafy vegetable	Food, medicine, ornamental	[19]
A. thunbergh	Africa	Leafy vegetable	Medicine, fodder for livestock	[2,20]
A. spinosus	America	Leafy	Medicine, food	[20]
A. graecizans	Africa	Leafy	Food	[20]
A. hypochondriacus	America	Grain and leafy vegetable	Ornamental, medicine	[20,21]
A. dubius	America	Leafy vegetable	Medicine	[2,20]
A. tricolor	America	Grain and leafy vegetable	Medicine, ornamental	[2,20]
A. blitum	Africa	Leafy vegetable	Medicine	[2,20]
A. hybridus	America	Leafy vegetable	Food, medicine	[6]
A. lividus	America	Leafy vegetable	Food	[5]
A. caudatus	America	Grain and leafy vegetable	Medicine, ornamental	[3,19]