is a botanical name
at the rank of subclass
. At the moment there is no complete consensus about what orders
it includes, except that it presumably contains the order Caryophyllales
. Note that this is only a naming difficulty: what to call various taxa of plants; there is little debate about how the plants in question are related.
A well-known system that did use this name is the Cronquist system, and in the original, 1981, version of this system the circumscription was:
By and large, these plants form the order Caryophyllales in the APG II system, 2003.