[1][2] It is native to South America and the southeastern and southwestern United States as far north as Washington.

It can also be found in Pakistan and New Zealand as an introduced species.

This is a small annual herb growing thin, spreading stems less than 60 centimeters long.

The leaves are borne on long petioles and have multilobed rounded or kidney-shaped blades less than 3 centimeters wide.

The green herbage of the plant is coated in fine white hairs.