Synonyms for Common Morning Glory (same or very similar meaning)
WordNet sense 1 (annual or perennial climbing herb of Central America having sky-blue flowers; most commonly cultivated morning glory):
Ipomoea tricolorWordNet sense 2 (pantropical annual climbing herb with funnel-shaped blue, purple, pink or white flowers):
Ipomoea purpureaFrom the ODE community, based on WordNetadd/edit