Linked from
The 13 pages that link to Involucre, each with the reason it gives.
AsteraceaeBroader topic: The involucre encloses and protects the developing Asteraceae head.
BractBroader topic: An involucre is a recognizable arrangement of bracts, not a single bract.
CapitulumBroader topic: Its bracts commonly enclose and protect the base of a capitulum.
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.
ArtichokeBroader topic: The overlapping scales eaten as artichoke leaves are the capitulum's bracts.
Job's tearsRelated: The hard, beadlike coverings are specialized bracts surrounding the grains.