AskDefine | Define labellum

User Contributed Dictionary



From labellum, diminutive of labrum from lavo.



  1. The lower central petal of orchid flowers, usually developed to be showy and attract pollinators.


Extensive Definition

The labellum (or Lip) is part of an Orchid, Canna or other less known flower that serves to attract insects that pollinate the flower, and acts as a landing platform for those insects.
The labellum is a modified petal and can be distinguished from the other petals and from the sepals by its large size and its often irregular shape. It is not unusual for the other two petals of an orchid flower to look like the sepals, so that the labellum stands out as distinct.


  • Bailey, L.H. - Canna x orchiodes. Gentes Herb. (Ithaca), 1 (3): 120 (1923).
  • Chaté, E. - Le Canna, 1866.
  • Khoshoo, T.N. & Guha, I. - Origin and Evolution of Cultivated Cannas. Vikas Publishing House.
labellum in German: Labellum
labellum in Spanish: Labelo
labellum in Finnish: Labellum
labellum in French: Labelle (botanique)
labellum in Italian: Labello
labellum in Hebrew: שפית
labellum in Japanese: 唇弁
labellum in Dutch: Lip (bloem)
labellum in Polish: Warżka
labellum in Portuguese: Labelo
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