paraheliotropic
/ˌparəˌhiːlɪə(ʊ)ˈtrɒpɪk/ /ˌparəˌhiːlɪəˈtrəʊpɪk/Botany
adjective
Relating to or characterized by paraheliotropism; (of leaves or their movements) turning to reduce intense illumination.
Origin
Late 19th century; earliest use found in Charles Darwin (1809–1882), naturalist, geologist, and originator of the theory of natural selection. From para- + heliotropic.