Assertion: birch's bark | /r/CapableOf | turn white
Facets:
value: with age
type: OTHER
Source sentences:
text: The bark of young paper birches is usually golden brown, but the bark turns white with age.
text: The bark turns white when the trunks get to be about two or three inches in diameter.
text: Younger trees have brown bark, as trees age the bark turns white and peels to reveal an inner bark that is orange in color.
text: The bark on the weeping birch turns white as the tree matures.