: a nastic movement in which a plant part (such as a flower petal)is bent outward and often downward. What does the name Scion mean? 1 : a detached living portion of a plant (such as a bud or shoot) joined to a stock in grafting and usually supplying solely aerial parts to a graf...
Nyctitropic movement as a false wilt symptom of cotton Gravitropic leaf movements in Mimosa pudica and other nyctinastic legumes. 12 Spatial and temporal variations in benthic fauna and communities of the tropical atlantic coast of Africa