Amaranthus albus is an annual species of flowering plant native to the Americas.

[2] Amaranthus albus is an annual herb growing up to 50 centimetres (20 in) tall, forming many branches.

The plant creates small, greenish flowers in clumps in the axils of the leaves.

[4][5] It is native to the tropical Americas but a widespread introduced species in other places, including Europe, Africa and Australia.

[4][6][7] In Cambodia, the leaves of the plant (which is known as phti sâ in the Khmer language) are used as pig feed, and are sometimes cooked and eaten by people.