| Abstract Detail
MSA - Systematics/Evolution Pereira-Carvalho, Rita de Cassia [1], Inacio, Carlos A [1], Dianese, Jose C [1]. New Polycyclinopsis (Ascomycota) species from the Brazilian Cerrado. An ascomycete found in Brasília on leaves of Psidium aerugineum (Myrtaceae) was shown to belong in a new Polycyclinopsis species characterized by: lesions 2-4-6 mm, foliar, amphigenous, crustose, circular, coalescent, mainly along the midrib, limited by dark purplish line; mycelium superficial, inconspicuous; hyphae 7-9-13 × 2-2-3 µm, hyaline to light brown, septate, without hyphopodia; ascomata amphigenous, superficial, orbiculate, multiloculate, multiloculate, 67-135 µm to 198-248-466 µm × 67-100-123 µm, ostiolate, textura radiata; hypostromata present; asci 34-43-58 (43) × 13-17-21 µm, cylindrical, clavate, bitunicate, 8-spored; hamathecial filaments 1-2-2 µm diam., hyaline, septate, filiform, with remnants among asci; ascospores 14-15-19 × 6-8-9 µm, clavate, hyaline, 1-septate, constricted at septum, apical cell 7-8-11 × 5-6-8 µm, basal cell 6-7-9 × 3-5-6 µm. The fungus is the second species of the monotypical Polycyclinopsis that will soon be published following the rules of the International Code of Botanical Nomenclature. Log in to add this item to your schedule
1 - Universidade de Brasilia, Fitopatologia, Campus Universitario Darcy Ribeiro, Asa Norte, Brasilia, Distrito Federal, 70910-900, Brazil
Keywords: Fungi neotropical Brazil.
Presentation Type: Poster:Posters for Topics Session: P2 Location: Event Tent/Cliff Lodge Date: Tuesday, July 28th, 2009 Time: 5:30 PM Number: P2SE004 Abstract ID:81 |