- a strap-shaped corolla in the flowers of certain composite plants
- a thin membrane attached to a leaf of grass at the point where the blade meets the leaf sheath
- any of various similar appendages on other plants
Origin: L ligula, a spoon, tongue of a shoe, shoe strap from Indo-European base an unverified form leiğh-, to lick from source Middle Irish liag, lick: influenced, influence by associated, association with Classical Latin lingua, tongue, ligare, to bind
Used by arrangement with John Wiley & Sons, Inc.
Origin: Latin ligula, diminutive of lingua, tongue; see dṇghū- in Indo-European roots.
ligule - Science Definition
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