Question

Why the family compositae is regarded as highyl advanced family among dicotyledons?

Answer 1

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The family has 32,913 accepted species names in 1,911 genera and 13 subfamillies.In terms of numbers of species the Asteracaea are rivaled only by the Orchidacaea.Nearly all members bear their flowers in dense heads surrounded by Involucral bracts.When viwed from a distance each capitulum may have the appearance of being a single flower , enlarged outer flowers in a caputial may resemble prtals and the involucarl bracts look like a calyx.The name Asteracaea comes from the type genus Aster from the ancient greek word meaning star -like form.

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