a lip; in Orchidaceae, the distinctive median petal that serves as an alighting platform for pollinating insects; in Zingiberaceae and Costaceae, a (usually showy) structure derived from petaloid staminodes.
"Lip" of an orchid perianth; the adaxial member of the inner whorl of perianth parts (but due to rotation of the flower, at anthesis usually placed as the lowermost perianth part), and differentiated from the other perianth parts in size, form, and/or coloration; or two (or four) large, petaloid, and connate staminodes forming a lip-like structure in gingers and relatives.
The large central petal of an orchid, which secretes nectar. [AV
In some phidoloporid cheilostomes, a lip on the proximal edge of the ovicell, which descends into the secondary orifice. Figures: Iodictyum
The lower part of certain flowers particularly orchids.
The labellum (or Lip) is a part of an orchid, Canna and many other flowers. It serves to attract insects that will pollinate the flower, and acts as a landing platform for those insects.
