Head (botany)
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"Flower head" redirects here. For the band, see Flowerhead.
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The capitulum or "head" is considered the most derived form of inflorescence.[1] Flower heads found outside Asteraceae (such as those of Eryngium or Jasione) show lesser degrees of specialization.
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Diagram of a flower head. Note bracts surrounding the flowers, which would be absent on a capitulum.
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Flower head of a common daisy (Bellis perennis)
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Flowers open in succession in head of a sunflower (Helianthus annuus), with ray florets forming the 'petals'
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Close up of the ray corolla of a Hieracium lachenalii; every "petal" is actually a separate five-petaled flower complete with its own stamens and making its own fruit.
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Discoid (having only disk flowers) flower heads of a rubber rabbitbrush.
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