is a specific kind of: vine.

is a broader term that covers: common morning glory, Ipomoea purpurea | common morning glory, Ipomoea tricolor | cypress vine, Indian pink, Ipomoea quamoclit, Quamoclit pennata, star-glory | belle de nuit, Ipomoea alba, moonflower | Ipomoea batatas, sweet potato, sweet potato vine | Ipomoea fastigiata, Ipomoea panurata, man-of-the-earth, manroot, scammonyroot, wild potato vine, wild sweet potato vine | Ipomoea coccinea, red morning-glory, star ipomoea | Ipomoea leptophylla, man-of-the-earth | Ipomoea orizabensis, scammony | beach morning glory, Ipomoea pes-caprae, railroad vine | Ipomoea nil, Japanese morning glory | imperial Japanese morning glory, Ipomoea imperialis ... show more.

is a member of: genus Ipomoea, Ipomoea.