Cotyledons
Narrow, long
Positioned 120° angle
from each other

Roots
Fibrous

Stem
Swollen joints with papery
sheath at each joint
Viny growth, often red

True Leaves
Alternate
First leaves triangular shape
Later leaves have arrow-shaped
pointed tips

Flowers
Small, no petals, greenish white
From leaf axils or stem tips

Habitat
Grain and cultivated fields

Note
Some resistance to 2,4-D and MCPA
Seeds quite large and may be found in grain