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Definition of: pappus
(pap′əs) noun plural pap·pi (pap′ī) Bot.
The peculiar limb on the calyx of a floret of the composite family, consisting either of a downy tuft of hairs, as in thistles, or of teeth, scales, bristles, or awns. [<NL <Gk. pappos grandfather]
—pap′pose (-ōs), pap′pous (-əs) adjective
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