Assertion: catalpa's leaf | /r/CapableOf | turn purple
Facets:
value: in fall
type: TEMPORAL
value: sometimes
type: TEMPORAL
Source sentences:
text: Often spectacular, the leaves turn purple, orange, yellow and red.
text: As autumn approaches, the leaves turn a deep yellow and sometimes purple.
text: Purple leaf eastern redbud, a cultivar suited to USDA zones 5 through 9 also known as 'Forest Pansy' (Cercis canadensis 'Forest Pansy'), features light green heart-shaped leaves that turn bronze or purple in fall.