Convolvulus

n.

1.

(Bot.) A large genus of plants having monopetalous flowers, including the common bindweed (Convolvulus arvensis), and formerly the morning-glory, but this is now transferred to the genus Ipomæa. The luster of the long convolvuluses That coiled around the stately stems. - Tennyson.

Noun

1.

convolvulus - any of numerous plants of the genus Convolvulus

Convolvulus scammonia, genus Convolvulus, scammony, vine