Peridium


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peridium

[pə′rid·ē·əm]
(botany)
The outer investment of the sporophore of many fungi.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Peridium

 

the outer envelope of the fruiting bodies of various fungi. The peridium may consist of one or several layers of cells. The structure of the peridium in some ascomycetous fungi is an important taxonomic characteristic.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
The genus is characterized by dark brown to black or bluish to greenish thyriothecia, with the peridium composed of an irregular meandering arrangement of compact hyphae, and multiseptate ascospores (Wu et al., 2011, 2014; Hyde et al., 2013).
Peridium with a reticulate arrangement of compact hyphae, with textura epidermoidea that becomes lax to the periphery.
In addition, other ascomata, protected by a peridium with small and flat warts with surface weekly striated in horizontal sense, having a pleasant fungal odour, an exosporim reticulum like that of T.
External surface of truffle peridium was observed at 25x with a Zeiss stereomicroscope.
Peridium 10-22 [micro]m ([bar.x] = 16, n = 20), 1-layered, composed of small, pigmented, thick-walled, compressed cells, base composed of small, pigmented, thick-walled cells of textura angularis.
According to Jeng and Korf [9], the ascocarps are likewise lightly coloured, the peridium is composed of texture globulosa to angularis like the excipulum in species of Coprotus and the ascospores at maturity are hyaline with a conspicuous de Bary bubble.
Peridioles (spore packets): 1-2 mm broad, whitish to buff, circular but flattened (disklike), attached to peridium by a long thin cord; several per fruiting body.
1); globose to cylindrical: 3-5 mm long; a single sorus with one central columella of host tissue and a longitudinally rupturing peridium (Fig.
During 2011, Sciessent, creator of naturally occurring silver-based antimicrobial brand Agion partnered with Diamond Vogel to offer the Peridium Powder Coatings line.
Sciessent, the creator of naturally occurring silver-based antimicrobial brand Agion, partnered with Diamond Vogel to offer the Peridium Powder Coatings line.
Sciessent, creator of naturally occurring silver-based antimicrobial brand Agion has partnered with Diamond Vogel, a manufacturer of industrial coatings, to offer the Peridium Powder Coatings line.