What is a large family of dicotyledonous plants, having their flowers arranged in dense heads of many small florets and their anthers united in a tube. The daisy, dandelion, and asters, are examples called?

compositae — A large family of dicotyledonous plants, having their flowers arranged in dense heads of many small florets and their anthers united in a tube. The daisy, dandelion, and asters, are examples. (Webster's 1913.)

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