pappus


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Related to pappus: Pappus of Alexandria

pap·pus

(pap'ŭs),
The first downy growth of beard.
[G. pappos, down]

pappus

[pap′əs]
Etymology: Gk, pappos, down
the first growth of beard, characterized by downy hairs.

pappus

(păp′pŭs) [L.]
The first growth of beard hair appearing on the cheeks and chin as fine, downy hair.

pappus

a circle of hairs formed from a modified CALYX found on the seeds of plants of the family Compositae, for example dandelion and thistle seeds. The pappus assists in the dispersal of the seeds by wind, acting as a kind of parachute.
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References in periodicals archive ?
two-armed, flagellate); pappus of one to more series of bristles, equal to unequal in length, scabrid to plumose, capillary to somewhat rigid and paleaceous, reduced to a crown of fringed scales, or absent.
Cypselae densely long-villose; pappus of scabrid to barbellate bristles, the innermost flat, longer, and wider than the others and barbellate at the apex.
Cypselae glabrous; pappus of numerous, scabrid bristles in female florets, and flatter, seta-like, and relatively few scabrid bristles in male florets.
Peter Dear's survey of ideas on method shows that Galileo's advocacy of geometrical analysis derived from Pappus of Alexandria's Collectiones mathematicae, published in Latin in 1589 (151); Alan Gabbey's account of 'new doctrines of motion' brings out well Galileo's individual development of Peripatetic theories (651-52), while Michael Mahoney acutely shows both the advantages and limitations of Galileo's inheritance from Archimedean mechanics and scholastic kinematics (706-14).
Cypselae rostrate to slightly constricted at the apex, pubescent; pappus of scabrid, capillary bristles.
Hong Kong's challenger Red Sun raced wide for much of the trip and never had a chance, while German raider Pappus was never travelling for Andreas Suborics and finished last.
Cypselae glabrous, apically tomentose to densely tomentose throughout; pappus of many barbellate to plumose bristles, basally connate, deciduous as a ring, the innermost longer and flattened.
The only European runner is Pappus, trained in Germany by Mario Hofer.
or absence of an outer row of minute pappus hairs; the presence or
Montalban scored by half a length from Jafar, with Sibiri Song third and another of the four German runners, Pappus, fourth.
Auenzar was two lengths adrift in second, with Michael Roberts' mount, Pappus, a further length and a half back in third.
With two unbeaten Andreas Schtz-trained colts, Samum and Huambo, taking on the stout stayer Pappus and the unexposed Well Made in the 10-furlong contest, the ante-post market for the Classic, run at Hamburg on July 2, is sure to see a shake-up.