Assertion: cactus's root system | /r/HasProperty | about three inches
Facets:
Source sentences:
text: The root system of the saguaro consists of one tap root which extends about three feet into the ground and is used to collect deep ground water and nutrients as well as to help anchor the saguaro, and a shallow, lateral root system which extends far out from the plant, about three inches from the surface and no deeper than about a foot.