Resupination

Under Resupination (Latin: resupinatio ) is the rotation of flowers, parts of which were originally on the top ( adaxial ) lying be turned down and thus be eligible for an abaxial position. Such flowers are called 'upside. An example of Resupination form the flowers of orchids. By rotation of the peduncle or ovary by 180 °, the lip is brought into position and is used as an abaxial approach organ for insects.

Resupination can also occur in leaves, while the leaf blade turns in the unfolding of the stem portion 180 °, and the palisade parenchyma is on the underside of leaves. The wild garlic for example, shows such behavior.

The term Resupination was botanica already by Carl Linnaeus in his Philosophia, 1751, p 104 used.