Assertion: birch's bark | /r/CapableOf | become furrowed
Facets:
value: with a gray shade to it
type: OTHER
Source sentences:
text: While the bark on the largest specimens of quaking aspen will become rough and furrowed, with a gray shade to it, most develop a whitish-green bark.
text: Bark becomes furrowed, composed of diamond-like pieces in old trees.