Leaf sheath

• Title

  Leaf sheath

• Definition

  Tubular, inrolled base of a leaf blade or petiole that surrounds the node and a portion of the internode; e.g., in the Cyperaceae, Poaceae, and many other monocotyledons as well as in some dicotyledons.

• *For more educational content, please visit The Hand Lens and explore our herbarium collections and the stories they tell.