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单词 paraheliotropism
释义

paraheliotropism

/ˌparəhiːlɪə(ʊ)ˈtrəʊpɪz(ə)m/ /ˌparəhiːlɪˈɒtrəpɪz(ə)m/
Botany
noun
A type of tropism in which a plant's leaves move to reduce injuriously intense illumination, usually by keeping their blades parallel to the light rays.

Origin

Late 19th century; earliest use found in Charles Darwin (1809–1882), naturalist, geologist, and originator of the theory of natural selection. From para- + heliotropism, probably after paraheliotropic.

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更新时间:2024/12/23 23:38:36