Most of these are called morning glories, but this can also refer to related genera.

Several species from other closely related genera have been moved into Cistanthe as well.

It is one of several closely related genera commonly called "demons".

The name is also applied to some other species in related genera (Cocculus).

For many years it was the only member known; however in recent decades paleontologists have discovered several related genera.

But the latter name is often used for the very closely related genus Castalius.

Common names, shared with several other similar related genera, include heather and heath.

They are distinguished from related genera based on male genital structures.

Some of the species are often classified in a closely related genus Leucocelis.

Crivadiatherium, a closely related genus, has been found in Romania.