Wikijunior:Summer Flowers of Northern New England/Solanum dulcamara
Bittersweet Nightshade is a poisonous plant related to tomatoes and potatoes. The flowers have five purple petals, with a yellow style coming out of the center. The leaves and berries of this plant are poisonous to humans and cattle, but not to birds. Birds eat the berries and spread the seeds over wide areas. The leaves have an arrowhead shape, sometimes with a lobe near the base. The berries start off green, but ripen to a bright red.
Bittersweet Nightshade can climb to a height of 13 feet, but six feet is more common.