傾けい性せい

noun

nasty; nastic movement

Botanical term for a plant's non-directional movement in response to a stimulus, such as the opening and closing of flowers. Contrast with 屈性 (tropism), which is directional.

See also: 屈性

• チューリップの花はなの開かい閉へいは傾けい性せいの一いち例れいだ。