Eastern black nightshade
Solanum ptycanthum Dun. Solanaceae (Nightshade family)
Erect, branching summer annual.
Seedlings have small, egg-shaped cotyledons with a pointed tip and a purplish tinge underneath followed by alternate, petiolated, simple leaves. First leaves are generally smooth, egg-shaped with wavy margins and a purplish tinge underneath; later leaves are slightly hairy and egg- to diamond-shaped with smooth to irregularly toothed margins.
Erect and branching, up to 3-foot-tall stems with few hairs.
Flowers and fruit
Flowers are white to purple-tinged, star-shaped with five petals fused at the base surrounding five bright yellow anthers; found in downward facing clusters. Berries are glossy black at maturity and globe-shaped, and contain up to 110 seeds.
All plant parts are toxic to animals.
Print a PDF of this page: Eastern black nightshade
The MSU IPM Program maintains this site as an access point to pest management information at MSU. The IPM Program is administered within the Department of Entomology, fueled by research from the AgBioResearch, delivered to citizens through MSU Extension, and proud to be a part of Project GREEEN.