Penthorum

noun
Pen·​tho·​rum | \ ˈpen(t)thərəm\

Definition of Penthorum

: a genus of herbs (family Crassulaceae) with thin leaves and greenish pentamerous flowers — see ditch stonecrop

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History and Etymology for Penthorum

New Latin, from penta- (from Greek) + -horum (from Greek horos boundary, limit)

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