What is (a) Resembling chaff; composed of light dry scales. (b) Bearing or covered with dry scales, as the under surface of certain ferns, or the disk of some composite flowers called?

chaffy — (Bot.) (a) Resembling chaff; composed of light dry scales. (b) Bearing or covered with dry scales, as the under surface of certain ferns, or the disk of some composite flowers. (Webster's 1913.)

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