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Androgynophore movement in Passiflora sanguinolenta. The image is the result of the superposition of two photographs of flower partially dissected to show the entire androgynophore column. The photographs were taken before (t = 0) and after (t = 1.7 sec) the tip of the androgynophore was touched. The androgynophore column moves toward the stimulus regaining its original position after about 3min if no further stimulus is applied.
