Assertion: birch's shape | /r/HasProperty | pyramidal
Facets:
Source sentences:
text: Shape: Pyramidal or oval, often multitrunked
text: Similar to a fruit tree, paper birch grows into a pyramidal shape which can be pruned to take on a cultivated form.
text: River birches survive periodic flooding on flood plains, tolerate wet or swampy soil, and grow in a pyramidal shape that provides dappled shade when young and medium shade when mature.