Vinca major is a perennial vine-like herb, flowering branches to 50 cm tall, sap milky.
Leaves opposite, to 7 cm long, deltoid to egg-shaped, margins finely hairy.
Flowers blue, fused at base, petal lobes spreading (salverform), 2 cm long, 5 cm across top; blooms April-May.
Fruit small, two-lobed.
Wetland status: NL.
Frequency in NYC: Very infrequent.
Habitat: Escaped from cultivation.