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|Noun||1.||genus Astilbe - chiefly Asiatic perennials: spirea|
rosid dicot genus - a genus of dicotyledonous plants
family Saxifragaceae, Saxifragaceae, saxifrage family - a large and diverse family of evergreen or deciduous herbs; widely distributed in northern temperate and cold regions; sometimes includes genera of the family Hydrangeaceae
astilbe - any plant of the genus Astilbe having compound leaves and showy panicles of tiny colorful flowers