Solanum carolinense L.

Wahlert et al. recognise 2 varieties - distinguished by the following key:

KEY TO THE VARIETIES OF SOLANUM CAROLINENSE

1. Leaf margins subentire, sinuate, or lobed; sinuses of lobes, when present, reaching less than half the distance to the midvein; apex of leaf lobes subacute to acute, sometimes rounded…………………………..….Solanum carolinense var. carolinense

1'. Leaf margins deeply lobed to parted; sinuses of lobes reaching more than half the distance to the midvein or almost to the midvein; apex of leaf lobes typically rounded……………………………………………Solanum carolinense var. floridanum