
1) Calyx
Found on
https://www.crosswordclues.com/clue/pappus

1) Thistledown
Found on
https://www.crosswordclues.com/clue/pappus

in daisy florets, a tuft or ring of hairs or scales borne above the ovary and outside the corolla (representing the missing calyx); a tuft of hairs on a fruit.
Found on
http://en.wikipedia.org/wiki/Glossary_of_botanical_terms
[flower structure] The pappus is the modified calyx, the part of an individual disk, ray or ligule floret surrounding the base of the corolla, in flower heads of the plant family Asteraceae. The pappus may be composed of bristles (sometimes feathery), awns, scales, or may be absent. In some species, the pappus is too small to see without ma...
Found on
http://en.wikipedia.org/wiki/Pappus_(flower_structure)

a tuft (or ring) of hairs, bristles or scales borne above the ovary and outside the corolla in Asteraceae and possibly representing the calyx; often persisting as a tuft of hairs on a fruit. adj. pappose
Found on
http://florabase.dpaw.wa.gov.au/help/glossary

downy beginnings of a beard
Found on
http://phrontistery.info/p.html

• (n.) The hairy or feathery appendage of the achenes of thistles, dandelions, and most other plants of the order Compositae; also, the scales, awns, or bristles which represent the calyx in other plants of the same order.
Found on
http://thinkexist.com/dictionary/meaning/pappus/

(from the article `Asterales`) The calyx (sepals) of the Asterales is so highly modified, in contrast to that of other orders, that it is given a different name, the pappus. The ... ...at its base one or more series of leaflike bracts. The small individual flowers arise in spiral order on the receptacle, the youngest being at the ... ...
Found on
http://www.britannica.com/eb/a-z/p/15

collectively, the bristles, hairs or scales at the apex of an achene in the Asteraceae
Found on
http://www.calflora.net/botanicalnames/botanicalterms.html

A whorl or tuft of delicate bristles.
Found on
http://www.encyclo.co.uk/local/20637

A tuft (or ring) of hairs or scales borne above the ovary and outside the corolla (possibly representing the calyx), a tuft of hairs on a fruit. ... (09 Oct 1997) ...
Found on
http://www.encyclo.co.uk/local/20973

collectively, the bristles, hairs or scales at the apex of an achene in the asteraceae
Found on
http://www.encyclo.co.uk/local/21767

The modified calyx of a composite flower that persists on top of the ovary or fruit as a series of bristles, scales or stiff awns.
Found on
http://www.encyclo.co.uk/local/22034

Tufts of hairs attached to achenes of the aster family.
Found on
http://www.encyclo.co.uk/local/22037

Tuft of hair on achenes or other fruits which aids seed dispersal
Found on
http://www.encyclo.co.uk/local/22113
Pap'pus noun [ Latin , an old man or grandfather; hence, a substance resembling gray hairs, Greek ....]
(Botany) The hairy or feathery appendage of the achenes of thistles, dandelions, and most other plants of the order
Compositæ ; also, the scales, awns, or bristles which represent the cal...
Found on
http://www.encyclo.co.uk/webster/P/16

Tuft of hair on achenes or other fruits which aids seed dispersal
Found on
http://www.first-nature.com/flowers/~glossary.php

Peculiar calyx-limb of composites, being plumose, bristle-like, scales, or otherwise.
Found on
http://www.gardenology.org/wiki/Glossary_of_Gardening_Terms

Type: Term Pronunciation: pap′ŭs Definitions: 1. The first downy growth of beard.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=64924

In botany the pappus is the hairy crown which surmounts the fruit in most composite plants. It is really the metamorphosed calyx, and it serves the purpose of transporting the fruits through the air.
Found on
http://www.probertencyclopaedia.com/browse/BP.HTM

[
n] - calyx composed of scales or bristles or featherlike hairs in plants of the Compositae such as thistles and dandelions
Found on
http://www.webdictionary.co.uk/definition.php?query=pappus
noun calyx composed of scales or bristles or featherlike hairs in plants of the Compositae such as thistles and dandelions
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.