Perianth

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Related to perianths: Sepals

perianth

the outer part of a flower, consisting of the calyx and corolla

Perianth

 

in the flowers of angiosperms, the modified bracts that surround the stamens and pistils. Simple perianths are composed of bracts of the same color. Tulips, lilies, buckwheat, beets, and goosefoot have simple perianths. Perianths with small, usually green calyxes and larger, variously colored coronas are said to be double. Such perianths characterize wild roses, crowfoot, and bellflowers.


Perianth

 

(1) A covering surrounding the generative organs of angiospermous plants.

(2) A covering surrounding the archegonium of most liverworts.

perianth

[′per·ē‚anth]
(botany)
The calyx and corolla considered together.
References in periodicals archive ?
I- perianth; II- pericarp, e- epicarp, E-endocarp, 5- point of insertion of perianth, 6-receptical transformed into elaiosome which juts out into the space among the carpels (see diagram B) in the form of rounded mases of tissue, v- vascular bundle.
0 mm long), dark, orbicular-elongated in shape, with horseshoes and a persistent, marbled perianth.
In between Chekosarai and Jalalabad we discovered among the wild hemp a peculiar race with light-coloured, small seeds, and with a thin perianth easily taken away (f.
0 mm), seed color was either dark or light, seed shape was either orbicular-elongate or orbicular, the seed perianth was either persistant or easily removed, the seed base either with or without a horseshoe.
Achene/spikelet as intact unit Kyllinga spikelet as intact unit Kyllingiella Achene Lipocarpha spikelet as intact unit Oxycaryum Ashen Pycreus Achene Queenslandiella Spikelet as intact unit Remirea Spikelet as intact unit Sphaerocyperus spikelet as intact unit Volkiella spikelet as intact unit Ficinia Clade Dracoscirpoides Achene Erioscirpus Achene with perianth hairs Ficinia Achene Hellmuthia Achene Isolepis Achene Scirpoides Achene (a) Only few species (b) In Dracoscirpoides falsa Table 2 Main flower characters in Cypereae Taxon Perianth Gynophore Cyperus Clade Alinula Absent Absent (b) Androtrichum Absent Absent Ascolepis Absent Absent Courtoisina Absent Absent Cyperus s.
Stem leaves with a lamina 1 or 2 rows of cells high; segments straight and stiff, 5 or 6 cells long; perianth mouth ciliate .
Perianth strongly laterally compressed, mouth truncate, wide, 2-lipped .
Plants robust (4-6 cm wide); stem 18-22 cells wide; leaves red brown with green apices; underleaves close to one leaf; perianth mouth dentate .