Annual or sometimes short-lived perennial, with twining to
decumbent-creeping, slender, somewhat angular stems 2-5 m long. Leaves are
broadly ovate or nearly circular, 4-15 x 4.5-14 cm, base heart-shaped, margin
entire or 3-lobed. Inflorescences axillary, 1- to few flowered. Petals pale
to bright blue with whitish tube, fading to pinkish in age, funnelform, 5-6
cm. Seeds black, ovoid-trigonous, 5-6 mm. Capsules ovoid to
depressed-spherical, 7-8 mm high, 8-12 mm thick, 3-6-seeded. Seeds 4.5-6 mm
long, black or brown. The black seeds have led to many of its common names.
Blue Morning Glory is native to Tropical & Subtropical America, but now
naturalized all over Tropical Asia and Africa, including the Himalayas.
Identification credit: Pravin Kawale
Photographed in Imphal, Manipur.
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The flower labeled Blue Morning Glory is ...