| epinasty | <botany> Asymmetrical growth of a leaf or stem that causes curvature of the structure. (18 Nov 1997) |
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| photo-epinasty | <botany> A disproportionately rapid growth of the upper surface of dorsiventral organs, such as leaves, through the stimulus of exposure to light. See: Photo-, and Epinastic. Source: Websters Dictionary (01 Mar 1998) |
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