Botanical Glossary


Ligule

Definition: An outgrowth or projection from the top of the sheath, as in the Poaceae; the strap-shaped portion of a ray or ligulate corolla; a small membranous outgrowth or projection at the base of the leaf, appearing above the sporangium in fertile leaves, as in Selaginella and Isoetes
Last Updated: 2020-01-01


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