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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Esta situacion se entiende bien si tenemos en cuenta que en el seno del hogar los hijos sufrian la tirania del padre hasta que este moria, de modo que la muerte del padre (12) solo es socialmente aceptable si es un personaje reprensible, el del senexamator, el viejo lujurioso, una creacion especificamente plautina, que en ocasiones es retratado como una mascara terriblemente descarnada que posiblemente tenga su antecedente en la mascara del Pappus de la atelana.
One of the missing links between Euclid and Pappus is provided by a passage from Heron of Alexandria's (c.
Mature plants can produce more than 1000 flower heads with the potential to yield 25000 seeds with pappus, which allows them major wind dispersal (Vigna and Lopez, 2008).
Pappus setiformis uniseriatus, setis circa 50 scabris, cellulis apicalibus acutis.
Seeds of dormant soft feather pappus grass found on Letterbox germinate rapidly in response to heavy rain (see Fig.
Propagation happens exclusively by dimorphic cypselas: peripheral ones are elliptically shaped with membranous wings from female florets, while the central ones, from monoecious florets, are lanceolate shaped whose pappus are of two stout awns (Kissmann and Groth, 1992).
Half a millennium later, Pappus, another Greek mathematician, inscribed a succession of ever-decreasing circles inside the arbelos.
2009) and its seeds lack from pappus, what implies a great restriction for the dispersion over large distances.
Kalu Current was allegedly the right hand of Lyaris gangster Ghaffar Zikri who presently commanded the Arshad Pappu group after Pappus arrest.
The subgenus Tarchonantoides is well defined by non-tufted indument, functionally male flowers with short and free style branches, and female flowers with broad corollas with five papillose teeth, short style branches, pappus with several series of accrescent and persistent bristles (non accrescent, deciduous only in B.
Consideremos el teorema de Pappus, un importante resultado de la geometria proyectiva.