Comparison of Crassula ovata flowers photographed in visible light, ultraviolet light, and near-infrared light. In visible light the flowers are white, the pistils are white with a slight pink colouration. The flowers are quite bright. In ultraviolet the flowers do not appear greatly different, though the styles appear much darker. In infrared the flowers do not differ much from their visible light appearance either. The base of the ovaries, where the nectar is located, appear slightly brighter.