Assertion: beech's flower | /r/HasProperty | sterile
Facets:
value: sometimes
type: TEMPORAL
value: usually
type: DEGREE
Source sentences:
text: Along the length of the stems are alternate flowers; the lower stems have cleistogamous (self-fertile) flowers, while the upper stems have perfect flowers that are usually sterile.
text: The flowers on the lower parts of the plant are cleistogamous (self-pollinating) while the tops of the stems have chasmogamous (cross-pollinating) flowers which may be sterile.
text: Chasmogamous flowers are cross pollinated flowers that grow at the top of the plant and are sometimes sterile.