1. A tropical African tree (Hagenia abyssinica) or its dried flowers, formerly used as a vermifuge and in traditional medicine.
Usage: Also spelled 'kosso' or 'kousso'; Primarily historical or botanical usage; Also called Abyssinian rose

Examples

• Cusso was traditionally used in Ethiopian folk medicine to treat parasitic infections.
• The dried flowers of the cusso tree were ground into a powder for medicinal purposes.
• Early European botanists documented the use of cusso among highland populations in Ethiopia.
• Cusso extract was sometimes exported to Europe in the 19th century as a remedy for tapeworms.