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.

Broad View Flowering Plant

Broad View Flowering Plant

Broad View Whole Plant

Broad View Whole Plant

Lead Stem and Underside of Leaf

Lead Stem and Underside of Leaf

Leaf Axils

Leaf Axils