Definition of ligulate in US English:

ligulate

adjective

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

    • ‘In ligulate heads all the florets are ligulate and 5-lobed and usually they are all bisexual.’
    • ‘The ligulate leaves and strongly revolute leaf margins are distinguishing features of Meesia uliginosa.’
    • ‘They were heterosporous and bore ligulate leaves.’
    • ‘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.’
    • ‘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.’

Pronunciation

ligulate

/ˈliɡyəˌlāt/