Caetea, a new genus of Pucciniales on Piptadenia (Fabaceae) from Brazil

A new genus of rust fungi (Basidiomycota, Pucciniales), with species type Caetea itatiaiaensis, was collected on Piptadenia (Fabaceae) at the Parque Nacional do Itatiaia in the Serra da Mantiqueira, states of Rio de Janeiro and Minas Gerais, Brazil. This genus is delimited as (i) three-celled telios...

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Bibliographic Details
Published in:Mycologia 2012-07, Vol.104 (4), p.911-914
Main Authors: Yepes, Mauricio Salazar, de Carvalho, Aníbal Alves
Format: Article
Language:English
Subjects:
Atlantic Forest
Basidiomycota - classification
Basidiomycota - isolation & purification
Basidiomycota - pathogenicity
Basidiomycota - physiology
Brazil
Cell Wall - physiology
Cysts
Fabaceae
Fabaceae - microbiology
Fungal spores
Genera
Hyalin
Microscopy, Electron, Scanning
Neotropics
New genus
Parque Nacional do Itatiaia
Pedicels
Plant Diseases - microbiology
Plant Leaves - microbiology
Rust fungi
Species Specificity
Spores, Fungal - physiology
Spores, Fungal - ultrastructure
SYSTEMATICS
Teliospores
Uredinales
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Description
Summary:A new genus of rust fungi (Basidiomycota, Pucciniales), with species type Caetea itatiaiaensis, was collected on Piptadenia (Fabaceae) at the Parque Nacional do Itatiaia in the Serra da Mantiqueira, states of Rio de Janeiro and Minas Gerais, Brazil. This genus is delimited as (i) three-celled teliospores borne on a single pedicel each with a corresponding apical cell and (ii) apical cells giving rise to distally capitate cysts that overhang the teliospore cells.
ISSN:0027-5514
1557-2536
DOI:10.3852/11-277