Assertion: white oak | /r/HasAspect | the scales of the acorn cups
Facets:
Source sentences:
text: Oaks can be separated into three groups, sometimes considered subgenera: white oaks (Leucobalanus) and red or black oaks (Erythrobalanus) have the scales of the acorn cups spirally arranged; in the third group (Cyclobalanus) the scales are fused into concentric rings.