- any of several vines of the genera Convolvulus and Calystegia having a twining habit
- Convolvulus is a genus of about 250 species of flowering plants in the bindweed family Convolvulaceae, with a cosmopolitan distribution. Common names include bindweed and morning glory, both names shared with other closely related genera.
- A common weed with a conspicuous white flower which can have severe effects on crop yields if unchecked. It is generally seen growing through hedges and on roadsides.