Assertion: giant sequoia's cone | /r/HasProperty | proven by the growth rings
Facets:
value: on the cone
type: LOCATION
Source sentences:
text: The cones take about two seasons to mature (Harlow 1979) and do not fall off of the branches - if squirrels do not cut them down, the cones will stay on the tree for as many as 8-10 years, proven by the growth rings on the cone stems (Crittenden 1977).