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The short-lived flowers often have a striking appearance because of their size and rich colors. Common Morning Glory can be distinguished from other Ipomoea spp. by the color of its flowers (usually blue, purple, pink, or some combination of these colors with white) and the shape of its leaves (never lobed). It differs from many bindweeds (Calystegia & Convolvulus spp.) by its heart-shaped leaves (cordate); the leaves of bindweeds are often arrowhead-shaped (sagittate or hastate). Among the several species in the Bindweed family, the characteristics of the seed capsules can be useful in making an accurate identification. For example, the seed capsule of Common Morning Glory is 3-celled and its exterior surface is hairless, while other species in this plant family may have seed capsules that are 2-celled or hairy.