 Christmas trees
Field crops
Fruit
Home and yard
Nursery and landscape
Turfgrass
Vegetable
Diagnostic Services
Soil/Plant Nutrient Lab
Enviro-weather
Regional IPM Center
Pesticide safety
Organic: New Ag Network
Invasive species
Sustainable ag & food systems
MSU ANR departments
MSU Extension
Site index
Contacts/permissions |
| Eastern black nightshade - Solanum ptycanthum Dun. |
| Weed Identification in Nurseries and Landscapes > Eastern black nightshade |
 |
| Young eastern black nightshade plant. |
 |
 |
| Upper leaf surface of eastern black nightshade. |
Purplish lower leaf surface of eastern black nightshade. |
|
Life cycle: Erect, branching summer annual.
Leaves: 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, egg- to diamond-shaped with smooth to irregularly toothed margins.
Stems: 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.
Reproduction: Seeds.
Toxicity: All plant parts are toxic to animals. |
|
 |
 |
| Eastern black nightshade mature berries. |
Eastern black nightshade seedling. |
|
| |
|
