Article Doi 10.5943/mycosphere/7/3/2 Copyright © Guizhou Academy of Agricultural Sciences
A new species of Amanita growing under Eucalyptus is discovered in South Brazil
Wartchow F1 * and Cortez VG2
1 Universidade Federal da Paraíba, Departamento de Sistemática e Ecologia, 58051-970, João Pessoa, PB, Brazil
2 Universidade Federal do Paraná, Departamento de Biodiversidade, 85950-000, Palotina, PR, Brazil
Wartchow F, Cortez VG 2016 – A new species of Amanita growing under Eucalyptus is discovered in South Brazil. Mycosphere 7(3), 262–267, Doi 10.5943/mycosphere/7/3/2
Abstract
Amanita aliena is described as new species from a Eucalyptus plantation in South Brazil. It belongs to subgenus Amanita where it has an isolate phenetic position, due to distinct morphology: yellowish brown pileus, universal veil as wart forming broken collars on the top of bulb from the junction to stipe base to near base, large basidiospores (7.5–) 8.5–14.5 (–16) × (5.7–) 6–9.5 (–11) µm, subhymenium with non-inflated cells and scarcity of clamp connection at base of basidia.
Introduction
In South Brazil, Amanita Pers. has been studied more recently. Wartchow et al. (2013a) reported two subspecies of A. muscaria (L.) Lam. (subsp. muscaria and subsp. flavivolvata Singer), and Wartchow et al. (2013b) described A. petalinivolva Wartchow (subgenus Amanita). Other six taxa also are referred from this region: A. chrysoleuca Pegler, A. multisquamosa Peck (subgen. Amanita), A. grallipes Bas & de Meijer, A. strobiliformis (Paulet ex Vittad.) Bertill. (subgen. Lepidella), A. rubescens Pers. and A spissa (Fr.) Bertill. (subgen. Validae) (Rick 1906, 1937, Bas & de Meijer 1993, Giachini et al. 2000, Sobestiansky 2005, de Meijer 2006). It is notable that most recorded species of Amanita from South Brazil (e.g., A. muscaria, A. multisquamosa and A. rubescens) are ectomycorrhizal partners of exotic Pinus and Eucalyptus, the most cultivated trees in that region (Sulzbacher et al. 2013). During mycological fieldwork in South Brazil, an interesting species of Amanita growing under Eucalyptus plantation was collected, which could not be determined at that time. This material was considered as belonging to a new taxonomic entity, which is described in the present paper.
A new species of Amanita growing under Eucalyptus is discovered in South Brazil
Wartchow F1 * and Cortez VG2
1 Universidade Federal da Paraíba, Departamento de Sistemática e Ecologia, 58051-970, João Pessoa, PB, Brazil
2 Universidade Federal do Paraná, Departamento de Biodiversidade, 85950-000, Palotina, PR, Brazil
Wartchow F, Cortez VG 2016 – A new species of Amanita growing under Eucalyptus is discovered in South Brazil. Mycosphere 7(3), 262–267, Doi 10.5943/mycosphere/7/3/2
Abstract
Amanita aliena is described as new species from a Eucalyptus plantation in South Brazil. It belongs to subgenus Amanita where it has an isolate phenetic position, due to distinct morphology: yellowish brown pileus, universal veil as wart forming broken collars on the top of bulb from the junction to stipe base to near base, large basidiospores (7.5–) 8.5–14.5 (–16) × (5.7–) 6–9.5 (–11) µm, subhymenium with non-inflated cells and scarcity of clamp connection at base of basidia.
Introduction
In South Brazil, Amanita Pers. has been studied more recently. Wartchow et al. (2013a) reported two subspecies of A. muscaria (L.) Lam. (subsp. muscaria and subsp. flavivolvata Singer), and Wartchow et al. (2013b) described A. petalinivolva Wartchow (subgenus Amanita). Other six taxa also are referred from this region: A. chrysoleuca Pegler, A. multisquamosa Peck (subgen. Amanita), A. grallipes Bas & de Meijer, A. strobiliformis (Paulet ex Vittad.) Bertill. (subgen. Lepidella), A. rubescens Pers. and A spissa (Fr.) Bertill. (subgen. Validae) (Rick 1906, 1937, Bas & de Meijer 1993, Giachini et al. 2000, Sobestiansky 2005, de Meijer 2006). It is notable that most recorded species of Amanita from South Brazil (e.g., A. muscaria, A. multisquamosa and A. rubescens) are ectomycorrhizal partners of exotic Pinus and Eucalyptus, the most cultivated trees in that region (Sulzbacher et al. 2013). During mycological fieldwork in South Brazil, an interesting species of Amanita growing under Eucalyptus plantation was collected, which could not be determined at that time. This material was considered as belonging to a new taxonomic entity, which is described in the present paper.
