Daisy flower,SEM

Numéro d’image : 11539735
Daisy flower,SEM
Daisy flower. Coloured scanning electron micrograph (SEM) of a daisy flower with some florets removed. Daisy plants (family Asteraceae,formerly Compositae) have composite flowers comprising a central area of tubular disc florets (not seen) surrounded by larger ray florets (orange),which each have a single petal. During reproduction the disc florets are pollinated and form seeds known as cypselas (brown). The cypselas become detached from the daisy and are carried on the wind to new ground where they germinate. The small circular scars (right) show where each of the seeds was attached to the flower
Licence : Droits gérés
Crédit: Science Photo Library / Gschmeissner, Steve
Taille de l’image : 2192 px × 1800 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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