Assertion: palm | /r/HasProperty | self-cleaning
Facets:
Source sentences:
text: Pruning is not required since this palm is self-cleaning and drops leaves naturally.
text: Some palm trees are "self-cleaning," and the old fronds fall off; others require pruning to remove old growth.
text: Though these palms are considered self-cleaning, you'll probably want to trim off yellowed or browned fronds occasionally.