A bract (PO:0009055) subtending a branch of the inflorescence (PO:0009049) or borne on the inflorescence axis (PO:0020122) below any branch (PO:0025073) or flower (PO:0009046). [source: APweb:Glossary]
Comment
Includes the leaf subtending and acting as outer envelope of an ear in Zea mays.