- 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 of liguleClassical Latin 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
A straplike structure, such as the long flattened lobe of the corolla of a ray flower or a membranous or hairy appendage between the sheath and blade of a grass leaf.
Origin of liguleLatin ligula, diminutive of lingua, tongue; see d&nlowring;ghū- in Indo-European roots.