Time lapse Foxglove Digitalis flowers forming and opening. Near the end of the sequence you will see the pollen sack splitting open to expose the pollen. The stigma is closed to begin with to prevent self pollination from the multitude of walking insects but later extends and the sticky end splits open to trap the pollen off the visiting flying insects. Bumble bees will normally fly to the lower flowers where it deposits pollen from the previous Digitalis flower. As it flies up the flower spike to drink nectar it collects pollen on its back which is then transported to the next Digitalis flower. 7-10 min interval between exposures. Filmed by Neil Bromhall copyright www.rightplants4me.co.uk Nikon D300 with 55mm lens with growlight and studio flash.