pappus
pap·pus
noun
1.
calyx composed of scales or bristles or featherlike hairs in plants of the Compositae such as thistles and dandelions
Origin
Via Latin pappus from Ancient Greek πάππος (páppos), an affectionate term for elderly men (referencing beards).
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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.