from
The Collaborative International Dictionary of English v.0.48
Convolvulus \Con*vol"vu*lus\ (k[o^]n*v[o^]l"v[-u]*l[u^]s), n.;
pl. L.{Convolvuli}, E. {Convoluluses}. [L., bindweed, fr.
convolvere to roll around. So named from its twining stems.]
(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 {Ipom[ae]a}.
[1913 Webster]
The luster of the long convolvuluses
That coiled around the stately stems. --Tennyson.
[1913 Webster]