June 11, 2015
Solanum carolinense L. Solanaceae (Nightshade family)
Spreading to erect, patchforming perennial.
Alternate, egg-shaped, shallowly to deeply lobed, 2 to 5 inches long with sharp, prominent prickles on the leaf veins, midveins and petioles. Star-shaped hairs are present on both leaf surfaces.
Spreading to erect, herbaceous stems with multiple branching, up to 3 feet in height. Stems have sharp, prominent prickles and star-shaped hairs.
Sharp, prominent prickles of horsenettle.
Flowers and fruit
Flowers are white to pale purple, star-shaped with five petals fused at the base and found in clusters on prickly flowering stalks. Flower centers consist of bright yellow, cone-shaped anthers. Berries are yellow at maturity, globe-shaped, wrinkled and approximately .5 inch across, and contain up to 170 seeds.
Horsenettle mature berries.
Seeds and deeply penetrating vertical to horizontal creeping roots.
All plant parts are toxic to animals.
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