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|Noun||1.||genus Cynancum - genus of perennial tropical African lianas|
dicot genus, magnoliopsid genus - genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination
Asclepiadaceae, family Asclepiadaceae, milkweed family - widely distributed family of herbs and shrubs of the order Gentianales; most with milky juice
cynancum - any of various mostly giant tropical lianas of Africa and Madagascar having greenish or purple flowers and long smooth pods; roots formerly used as an emetic