In Asteraceae, the pappus is the modified calyx, [1] the part of an individual floret, that surrounds the base of the corolla tube in flower. It functions as a dispersal mechanism for the achenes that contain the seeds.

The meaning of PAPPUS is an appendage or tuft of appendages that crowns the ovary or fruit in various seed plants and functions in dispersal of the fruit.

…each flower, known as a pappus, is bristlelike, scaly, or feathery and borne at the top of the ovary. The corolla, formed of the petals, may be (1) tubular, with five petal lobes, sometimes split open, (2) ligulate, or tonguelike, with a very short basal tube, or (3) bilabiate, with…

pappus: an appendage of the cypsela (fruit) of the Asteraceae consisting of one to many bristles, awns, scales, setae, or coronas that assists in seed dispersal. The word pappus might bring to mind dandelions and the “puff ball” seed heads you may have played with in your youth.

Mar 7, 2021 · Pappus: A modified calyx made up of a ring of fine hairs, scales, or teeth that persist after fertilization and aid the wind dispersal of the fruit, often by forming a parachute-like structure. The pappuses of an inflorescence may form a 'clock.'*

Feb 6, 2022 · Pappus fulfills several functions, including the distribution of seeds; the use by birds and mammals to provide a soft lining in their nests; and, historically, as a warm filling for bedding and clothes of some Aboriginal people.

pappus A modified calyx made up of a ring of fine hairs, scales, or teeth that persist after fertilization and aid the wind dispersal of the fruit, often by forming a parachute-like structure. It is seen in members of the Compositae, e.g. dandelions (Taraxacum) and thistles (Carduus).

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.

In Asteraceae, the pappus is the modified calyx, the part of an individual floret, that surrounds the base of the corolla tube in flower. It functions as a wind-dispersal mechanism for the seeds.

Dec 12, 2024 · pappus (plural pappuses or pappi) The markedly reduced sepals of an Asteraceae floret that take the form of trichomes or scale attached to the ovary or seed. Hyponym: thistledown; The first hair on the chin.