Convolvulaceous :: Convolvulaceous (a.) Of, pertaining to, or resembling, the family of plants of which the bindweed and the morning-glory are common examples..
Convolvulin :: Convolvulin (n.) A glucoside occurring in jalap (the root of a convolvulaceous plant), and extracted as a colorless, tasteless, gummy mass of powerful purgative properties..
Convolvulus :: Convolvulus (n.) A large genus of plants having monopetalous flowers, including the common bindweed (C. arwensis), and formerly the morning-glory, but this is now transferred to the genus Ipomaea..