ligule
Concise Oxford English Dictionary © 2008 Oxford University Press:
ligule /ˈlɪgjuːl/
▶noun Botany a narrow strap-shaped part of a plant, especially a membranous scale on the inner side of the leaf sheath in grasses.
– derivatives
ligulate adjective.
ligulate adjective.
– origin C19: from L. ligula ‘strap’.
'ligule' also found in these Oxford entries:

