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Definition of Harrisia
1. Noun. Genus of slender often treelike spiny cacti with solitary showy nocturnal white or pink flowers; Florida and Caribbean to South America.
Exact synonyms: Genus Harrisia
Generic synonyms: Caryophylloid Dicot Genus
Group relationships: Cactaceae, Cactus Family, Family Cactaceae
Generic synonyms: Caryophylloid Dicot Genus
Group relationships: Cactaceae, Cactus Family, Family Cactaceae