The Power of Movement in Plants

acted amount apex apogeotropism appears arched attached bean became become bend beneath blade bowed cause chapter circumnutation close considerably continued cotyledons course curvature curved damp darkness deflected described developed direction doubt effect ellipses exposed extended fact figure filament fixed formed four geotropism given glass greatly ground growing growth height heliotropic horizontal hypocotyl illuminated inch inch in length inclined increased instance lateral leaf leaflets least leaves length less light lower manner ment morning move movement nearly night object observed occurred opposite period petiole placed plants position present probably protected pulvinus radicles reduced remained remarkable result right angles rise rose seed seedlings seen sensitive shoot shown shows side sink sleep slightly species squares stand stem stood straight surface temperature terminal tips touched traced upper upwards vertically whilst whole window young zigzag