Assertion: joshua tree's root system | /r/CapableOf | extend up to 35 feet
Facets:
value: from the plant
type: LOCATION
Source sentences:
text: The Joshua tree (Yucca brevifolia) is a slow growing member of the Agave family, eventually reaching heights of from 15 to 40 feet, with a root system that can extend up to 35 feet from the plant.