Assertion: bougainvillea cultivar | /r/CapableOf | enable black pearl
Facets:
Source sentences:
text: Common thornless cultivars developed from the 1990s to the early 21st century by the US Department of Agriculture enabled efficient machine-harvesting, higher yields, larger and firmer fruit, and improved flavor, including the Triple Crown, Black Diamond, Black Pearl, and Nightfall, a Marionberry.