amaranth, spiny

Common Name:

amaranth, spiny

Scientific Name:

Amaranthus spinosus

Family:

Amaranthaceae

Lifecycle:

Annual

Features

Stiff sharp spines present at nodes. Leaves simple with a long-petiole, glabrous. Terminal spike with numerous axillary flower clusters. Plant branching, green to red.

Description

Common weed in cattle production areas, especially in feed areas. Spines cause avoidance by grazing animals. Axillary spines easily distinguish spiny amaranth from other amaranths.