Amaranthaceae (Amaranth family)

Broadleaf plant family

In Missouri the amaranths (pigweeds) make up the vast majority of plant genera that occur within this family.

Amaranth, Palmer Amaranth, Palmer
Amaranthus palmerii

Pigweed, redrootPigweed, redroot
Amaranthus retroflexus

Pigweed, smooth Pigweed, smooth
Amaranthus hybridus


Pigweed, tumblePigweed, tumble
Amaranthus albus

WaterhempWaterhemp, common
Amaranthus rudis

For an idea of relative seed size, each photo contains a millimeter ruler. The distance between increments is 1 mm.

Publication No. IPM1023-4