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© The Eumycetozoan Project, 2006
· 0
Perichaena depressa |
© The Eumycetozoan Project, 2006
· 0
Perichaena depressa |
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© The Eumycetozoan Project, 2006
· 0
Perichaena depressa |
© The Eumycetozoan Project, 2006
· 0
Perichaena depressa |
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© The Eumycetozoan Project, 2006
· 0
Perichaena depressa |
© The Eumycetozoan Project, 2006
· 0
Perichaena depressa |
|
© The Eumycetozoan Project, 2006
· 0
Perichaena depressa |
© The Eumycetozoan Project, 2006
· 0
Perichaena depressa |
|
© The Eumycetozoan Project, 2006
· 0
Perichaena depressa |
© The Eumycetozoan Project, 2006
· 0
Perichaena depressa |
|
© The Eumycetozoan Project, 2006
· 0
Perichaena depressa |
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Overview | |
Plasmodium pale yellow at maturity. Hypothallus not apparent. Sporocarps crowded or rarely scattered. sessile. Sporothecae markedly depressed to pulvinate, 0.5-1.5 mm diam., yellowish-, reddish- or purplish- brown and usually with a pale border. Peridium double, the outer layer and including the floor of the sporotheca cartilaginous, firm, opaque, thickened with granular matter, the inner layer translucent, pale yellow, smooth, membranous, shining. Dehiscence circumscissile by means of a flattened, deciduous lid. Capillitium usually abundant, consisting of sparingly branched, coiled, threads, (1.5-)2-2.5(-3) µm diam., sometimes with intercalary swellings or rarely with free ends, minutely warted or spinulose or more often with close-set constrictions at regular intervals, appearing annulate in surface view and septate in optical section. Spore-mass bright golden yellow. Spores pale yellow, globose, spinulose, 9-11 µm diam.
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Links to other sites | |
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References |
- Keller,H.W. 1973: Perichaena depressa and Perichaena quadrata (Myxomycetes, Trichales, Trichiaceae): two autonomous species of slime moulds. [abstract]. Association of Southeastern Biologists (ASB) Bulletin 20
- Keller,H.W., Eliasson, U. 1992: Taxonomic evaluation of Perichaena depressa and P. quadrata based on controlled cultivation, with additional observations on the Genus. Mycological Research 96(12): 1085-1097.
- Lizárraga,M., Illana, C., Moreno, G. 1999: SEM studies of the Myxomycetes from the Peninsula of Baja California (Mexico), II. Hemitrichia to Trichia. Annales botanici Fennici 36: 187-210.
- Lizárraga,M., Moreno, G., Illana, C. 1998: First records of myxomycetes from the state of Sinaloa, Mexico. Micologia e Vegetazione Mediterranea 13(2): 167-176.
- Rammeloo,J. 1974: Structure of the Epispore in the Trichiaceae (Trichales, Myxomycetes) as seen with the scanning microscope. Bulletin de la Société Royale de Botanique de Belgique 107: 353-359.
- Wollman,C., Alexopoulos, C. J. 1964: Spore to spore cultivation in agar culture of three myxomycetes: Comatricha laxa, Perichaena depressa and Licea biforis. Southwestern Naturalist 9: 160-165.
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Acknowledgements | |
The Eumycetozoan Project -- working to understand the ecology, sytematics and evolution of myxomycetes, dictostelids and protostelids -- the true slime molds.
Sponsored by grants from the National Science Foundation.
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Feedback |
Please send any corrections and comments about this page to John Shadwick
Department of Biological Sciences, University of Arkansas, Fayetteville, AR 72701, USA
email: jshadwi@uark.edu phone: USA-479-575-7393.
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