Vídeo Clip - Timelapse footage of a purple coneflower (Echinacea purpurea) maturing. Coneflowers are composite flowers: the petals are actually flowers called ray florets, and the central spikes are the protective bracts of individual flowers called disc florets. The yellow pollen-tipped florets are seen emerging towards the end of the clip. Mastered from original frame size of 4288x2848. This clip has been cropped to 16:9. A full frame 4:3 version is availabe as reference number K003 7735.

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