Cypripedioideae: 6 genera; 115 species; terrestrials or lithophytes.
Vanilloideae: 15 genera.
TaxonomyCypripedioideae and
Vanilloideae are both a monophyletic clade in the
Orchidaceae.
In the
Plant theory they are taken together as
Cypripedioideae. This will make them polyphyletic.
Cypripedioideae is in
Subphase 2 of the
Orchidales. As such they are at the level of
Family and could be named Cypripediaceae.