diaheliotropism


Also found in: Encyclopedia.

diaheliotropism

(daɪəˌhiːlɪˈɒtrəˌpɪzəm)
n
the tendency among plants to respond to the light of the sun by orienting their leaves perpendicular to the sun's rays, such that the upper surface of the leaves receives maximum light
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Mentioned in ?
References in periodicals archive ?
The reversible bending response of a plant to a light stimulus is called heliotropism and can be further classified as paraheliotropism (light-avoiding) and diaheliotropism (light-seeking) [4, 5].