Canada

Wild potato vine

Ipomoea pandurata
Description. Perennial, trailing or climbing vine. Flowers 1-7 in terminal clusters, each flower on a long peduncle, funnel-shaped, to 3 inches long, white with a dark crimson or purple center. Blooms May–September. Leaves on long stems, heart-shaped, pointed, to 6 inches long. Root a tuber to 2 feet long and weighing 20 pounds or more, often branched, leglike.
Size. Stems can grow to 16 feet in length.
Habitat and conservation. Occurs on banks of rivers and streams, margins of lakes and ponds, ditches, roadsides and railroads, and other disturbed areas; also crop fields, fallow fields, and old fields. This plant is in the same genus as cultivated sweet potato (I. batatas), which, like most others in the genus, is a tropical plant. The genus also includes cultivated morning glory flowers as well as many serious agricultural weeds, such as bindweed.