Assertion: hawthorn | /r/HasProperty | grown as ornamental
Facets:
value: in pools
type: LOCATION
value: in greenhouses
type: LOCATION
Source sentences:
text: Cape pondweed, or water hawthorn (Aponogeton distachyos), of the family Aponogetonaceae, is native to South Africa and is grown as an ornamental in pools and greenhouses.