pappus


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Related to pappus: Pappus of Alexandria

pap·pus

 (păp′əs)
n. pl. pap·pi (păp′ī)
A modified calyx, composed of scales, bristles, or featherlike hairs, in plants of the composite family, such as the dandelion and the thistle.

[Latin, old man, down on certain seeds, from Greek pappos; see papa in Indo-European roots.]

pap′pose (-ōs) adj.

pappus

(ˈpæpəs)
n, pl pappi (ˈpæpaɪ)
(Botany) a ring of fine feathery hairs surrounding the fruit in composite plants, such as the thistle; aids dispersal of the fruits by the wind
[C18: via New Latin, from Greek pappos grandfather, old man, old man's beard, hence: pappus, down]
ˈpappose, ˈpappous adj

pap•pus

(ˈpæp əs)

n., pl. pap•pi (ˈpæp aɪ)
a downy, bristly, or other tuftlike appendage of the achene of certain plants, as the dandelion and thistle.
[1695–1705; < New Latin < Greek páppos down, literally, grandfather (taken as greybeard, white hairs, down)]
pap′pose (-oʊs) adj.
pap′pous (-əs) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pappus - calyx composed of scales or bristles or featherlike hairs in plants of the Compositae such as thistles and dandelionspappus - calyx composed of scales or bristles or featherlike hairs in plants of the Compositae such as thistles and dandelions
calyx - (botany) the whorl of sepals of a flower collectively forming the outer floral envelope or layer of the perianth enclosing and supporting the developing bud; usually green
thistledown - pappus of a thistle consisting of silky featherlike hairs attached to the seed-like fruit of a thistle
References in periodicals archive ?
most students have limited knowledge about configurations--except perhaps the Pappus (9,3), the Desargue (10,3), and the Petersen graph (the logo on the cover of the Journal of Graph Theory).
Frente a este elenco, propio de una Grecia irreal, aunque con tipos reconocibles y hasta cierto punto reales en el mundo helenistico, como el proxeneta o el soldado de fortuna, la escena preliteraria latina ofrecio otro codigo teatral, un teatro de mascaras, que son el retrato de comportamientos humanos universales: Mac(c)us, el necio; Bucco, el gloton y fanfarron; Pappus, el viejo avaro y ridiculo; Dossenus, el jorobado y astuto.
Pappus Species Weight per 100 seeds (mg) Scorzonera liciniata L.
Each flower head produces [approximately equal to] 73 seeds (mean), which are up to 4 mm long (Turner and Herr 1996) and with a pappus (set of bristles) that aids dispersal.
Some six hundred years after Euclid, a more detailed exposition of analysis and synthesis was provided by Pappus of Alexandria, at the beginning of the seventh book of his Mathematical collection (written c.
Como el propio Newton muestra, esta posicion se retoma de la caracterizacion que hace Pappus al respecto en su Collectio (10).
Numerous seeds are characterized by an apical sessile hairy pappus.
As Odes de Pindaro, os Elementos de Euclides, os Estoicos de Apolonio, as Colecao matematica de Pappus tornaram-se simbolos da Grecia apolinea: "Afinal, o pensamento grego e expresso nao so por meio dos mitos, ficcionalmente, mas tambem diretamente, em teoremas.
The case FIR (23/2013) was registered on the complainant of Arshad Pappus widow under Sections 302 (premeditated murder), 365 (kidnapping with intent secretly and wrongfully to confine person), 297 (trespassing on burial place, etc.
Surveying in September or October, when the white pappus of plants provide a better contrast to the landscape, may increase detectabilty and increase sampling efficiency (B.