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Leaf ligule (grass- or sedge-like plants only)

Leaves of some monocots have two more or less distinct parts, a blade and a sheath. A ligule is a small flap of tissue or ring of hairs at the junction of the two, inside the leaf and usually lying against the stem. Examples can be easily seen in most grasses.

L115 inconspicuous or absent

L116 line or hairs also known as cilia (membrane absent)
L117 membanous flap (semi-translucent/translucent-hyaline) entire, rounded, or deeply or shallowly cut L118 membranous flap topped with hairs (ciliated)