👉 Blackthorn is a genus of shrubs in the family Rutaceae, native to temperate regions of North and South America. It has small leaves with serrated edges, and its flowers are white or pink, often in clusters. The scientific name for this plant is "Amaryllis" (meaning "black thorn"). It's a type of rose that grows in forests and pastures, but it also occurs in gardens. The blackthorn can be found in various habitats