Phellinotus , a new neotropical genus in the Hymenochaetaceae Basidiomycota, Hymenochaetales. A new poroid genus with two conspicuous and common species growing on living Fabaceae trees is described from the Seasonally Dry Tropical Forests biome of Brazil.
Both taxa in this forest pathogen genus resemble Phellinus rimosus macroscopically, but are distinguished by a dimitic hyphal system with skeletal hyphae present only in the trama of the tube layer while the context remains monomitic, and by the ellipsoid, thick-walled, adaxially flattened, yellow basidiospores that turn chestnut brown in KOH solution.
Molecular and morphological studies of Brazilian specimens macroscopically similar to the Phellinus rimosus species complex were carried out to solve their phylogenetic relationships among the Hymenochaetaceae. Phellinotus gen. Phylogenetically, Phellinotus is closely related to Arambarria , Inocutis , Fomitiporella and other taxonomically unresolved terminal clades, and unrelated to Fulvifomes and Phylloporia.
Our results indicate the need to include taxa from unexplored areas in order to get a thorough understanding of the phylogeny of the Hymenochaetaceae. Ames, A. Benson, D. Bentham, G. In : Hooker, W. Journal of Botany, being a second series of the Botanical Miscellany. London Journal of Botany 4: โ Castresana, J. Cunningham, G. Dai, Y. Darriba, D. Nature Methods 9 8 : Decock, C. Perenniporiella tepeitensis comb.
Donk, M. Drechsler-Santos, E. In Neves, M. Fiasson, J. Fries, E. Gilbertson, R. Oslo, Fungiflora. Guindon, S. Imazeki, R. Jeong, W. Kaliyaperumal, M. Karsten, P. Katoh, K. Kotlaba, F. Fungi, Hymenochaetaceae.
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