Orchidoideae is a sub-family of the family Orchidaceae.
It is the second largest sub-family, after Epidendroideae, with 208 genera and 3,630 species.
Most European orchids belong to this sub-family.
They include terrestrial orchids with flowers that have a single, fertile and erect anther and no bract. The pollinia are sectile or granular.
Orchidoideae are found all over the world.
Orchidoideae is derived from the Greek orchis (orchid).
The sub-family Orchidoideae contains 6 tribes: