Assertion: aspen's leaf | /r/HasProperty | overshaded
Facets:
value: generally
type: DEGREE
Source sentences:
text: It is also thought to improve the rate of photosynthesis throughout the tree by reducing the exposure of the outer leaves to extreme sunlight (thus reducing photoinhibition) by presenting the leaves at an oblique angle to the sun throughout the day, while at the same time allowing more light through to the lower leaves which are generally overshaded.