Contortae

Contortae as a term has appeared in several senses in botanical taxonomy, most conspicuously as follows:

Order Contortae
Order Contortae is no longer recognised in botanical taxonomy. After a varied history in the nineteenth century, predominant opinion on the Contortae assigned several families to the order in the mid twentieth century, though never with unanimity. They typically included: By the late twentieth century there were moves to withdraw recognition of the plant order Contortae, and merge it with the order Gentianales or Loganiales (which now is regarded as a synonym of Gentianales). For details of the reassignment of the families to orders, see the Angiosperm Phylogeny Group publication
 * Apocynaceae (now assigned to the Gentianales)
 * Asclepiadaceae (now included in the Apocynaceae)
 * Buddlejaceae (now assigned to the Scrophulariales)
 * Gentianaceae (now assigned to the Gentianales)
 * Loganiaceae (now assigned to the Gentianales)
 * Menyanthaceae (now assigned to the Asterales)
 * Oleaceae (now assigned to the Lamiales)

Other occurrences of the term
Contortae is a section of the genus Oenothera.

Contortae is a section in the family Acanthaceae.

Contortae is a subsection of the genus Pinus.