perianth

(redirected from perianths)
Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to perianths: Sepals

perianth

the organs of a flower outside the sex organs, consisting of the CALYX and COROLLA; the floral envelope.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
These included small seed size, a protuberant-and-tapered base with a prominent abscission zone, and a persistent perianth (seed covering).
Calyx: Perianth five-parted: leaves oblong, acuminate-obtuse, concave.
It is dainty, its perianth drawn back, continuing the line of its long trumpet to produce a graceful nodding flower.
It is perhaps the most beautiful of all, with round white perianth and a tiny cup, greeny yellow with a red edge.
Staminate inflorescences capitate, 10-12 flowered in a single raceme, peduncle to 10 mm long, pedicels up to 1 mm long; perianth campanulate, 6 mm long, 6-lobed, each lobe 1 mm long; stamens 6 alternate with perianth lobes, anthers bilocular, dorsifixed, elliptic < 1 mm diameter, extrorse, generally 1 or 2 reduced to staminodes; the fine filaments connate basally, borne at the base of a pistillode 3 mm long; lower part of the perianth reduced to 2 or 3 small involucral bracts; indumentum densely short velutinous.
There is no fonnation of perianth primordium in these taxa (Vrijdaghs, 2006; Vrijdaghs et al., 2009, 2011).