Perianth


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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 ?
Dorsal lobe of stem leaf plane, apex acute to breifly apiculate, perianth pyriform, 3-keeled .
Flowers usually unisexual, the plants monoecious; perianth absent; staminate flowers with 1-3 stamens; filaments capillary; anthers narrowly linear, 2-4 mm long, apex usually mucronate or awned; pistillate flowers with one pistil; styles longer than stigmas; stigmas (2) 3, capillary.
In some flower groups, however, the ovary portion of the pistil has a modified receptacle or perianth tissue surrounding it and fused to it with the other floral parts attached above the ovary at the top of this tissue.
I chose 12 plants adjacent to the clearing, and on a single unopened flower in each of four separate inflorescences on each plant, I performed one of the following manipulations: Treatment 1) The flower was slit down the side of the perianth with a razor blade, and with fine forceps, the filaments and anthers were removed.
Collection of plant material: Healthy Amaranthus spinosus grown at the sides of railway track of north Delhi were identified on the basis of following characters: (i) Erect, armed, glabrous plants up to 60 cm in height (ii) Two axillary, diverticulate sharp spines, (iii) Much branched stem, green or somewhat raddish in colour and glabrous, (iv) Leaves 3-10 x 1-4 cm in size, ovate or oblong from a slightly decerrent base, gradually narrowed upward, apex, obtuse, rounded and glabrous, and (v) Flowers dense in axillary clusters, racemosely disposed, spikes often branched in lower regions terminal spikes often male flowers only, finally drooping perianth lobes 5, stamens 5, ovary ovoid or oblong, style 3, conical, stigma 3, fimbrillate.
The collective term for all the petals is corolla, and perianth is the term used to refer to the sepals and petals together.
Phylogenetic analysis and perianth evolution in basal angiosperms.
Small fleshy perianth with a rim of no appreciable divisions.
APRICOT Naturally yellow 'Apricot Lace' (at Pretty when massed DAFFODIL or white, left) has a divided, in pots or daffodils apricot-colored combined with sometimes come corona framed violas in antique with a salmon, against a white shades of apricot apricot, or coral perianth (outer and blue.
Some of the shine was taken off the success for Daly as the stewards banned him for one day (Sept 24) after they found his mount had interfered with third-home Perianth, ridden by Kieren Fallon.
Society in 1794 and a smaller plant with narrower funnel shaped perianth was introduced in 1830 named L.