Linked from

The 13 pages that link to Involucre, each with the reason it gives.

• Ray floretRelated: These bracts enclose and support the flower head that bears ray florets.

• FloretRelated: These bracts surround the receptacle on which the florets sit.

• FagalesRelated: Bracts surrounding fruits help distinguish groups such as oaks, beeches, and hazels.

• HazelnutRelated: Hazelnuts develop within a leafy involucre before harvest.

• CalendulaRelated: Bracts beneath each Calendula flower head help distinguish its floral structure.

• Corylus maximaRelated: The conspicuously elongated involucre enclosing the nut helps distinguish this species.

• Job's tearsRelated: The hard, beadlike coverings are specialized bracts surrounding the grains.