Definition of ligulate in US English:



  • 1Strap-shaped, such as the ray florets of plants of the daisy family.

    • ‘Leaves are alternate, distichously arranged, and ligulate at the juncture of sheath and blade, with the sheath being persistent after the blade has been shed.’
    • ‘They were heterosporous and bore ligulate leaves.’
    • ‘The ligulate leaves and strongly revolute leaf margins are distinguishing features of Meesia uliginosa.’
    • ‘In ligulate heads all the florets are ligulate and 5-lobed and usually they are all bisexual.’
    • ‘The highest relative concentration of isobutylamide in all species was in seed coats followed by roots; it was not found in ligulate florets and endosperm.’
    1. 1.1 (of a plant) having ray florets or ligules.
      • ‘The flowers of the outer whorl of the head (ray or ligulate flowers) generally have five elongated petals united to form straplike structures and are restricted to the periphery of the radiate head.’