Lawsonia

noun
Law·so·nia | \lȯˈsōnēə\

Definition of Lawsonia 

: a genus of tropical Old World shrubs (family Lythraceae) having tetramerous flowers and a four-celled capsular fruit — see henna

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History and Etymology for Lawsonia

New Latin, from Isaac Lawson †1747 Scottish naturalist + New Latin -ia

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