Nastic Movement

Haptonasty ( haptonastic movements ) A nastic movement in response to contact .

向触性（向性运动）：是响应外界接触的一种感性运动。

These results indicated that the style curvature of Alpinia was nastic movement , because they just curved upward or downward relative to the position of anther .

这些结果表明山姜属植物花柱卷曲运动是感性运动，它运动的方向与外界的刺激方向无关，只相对于花药位置做向上/向下卷曲。