Black Nightshade - Cotyledons are small and green on both sides, with short hairs on margins. Plant can grow 6-24 inches tall. Leaves are ovate, smooth to wavy-edged and tapered to the tip. Berries are dark purple or dark green at maturity and are almost completely exposed due to the small size of the calyx. Eastern Black Nightshade - Cotyledons are small and green on both sides, with short hairs on margins.
Young leaves have a reddish-purple underneath.
Dark fruits are present when mature. Hairy Nightshade - Seedlings resemble the standard nightshade characteristics, however this type is distinguished by the spreading of hairy foliage which may feel sticky when handled. Eastern Black Nightshade is found primarily in the East. American Black Nightshade is found mostly in the South. Black Nightshade is commonly found west of Rocky Mountains.