Rhodotus is a genus in the fungus family Physalacriaceae. It is a monotypic genus and consists of the single mushroom species Rhodotus palmatus. The specific epithet is derived from the Latin Palmatus, meaning “shaped like a hand’
About Rhodotus in brief
Rhodotus is a genus in the fungus family Physalacriaceae. It is a monotypic genus and consists of the single mushroom species Rhodotus palmatus. The unique characteristics of R. palmatus have made it difficult for taxonomists to agree on how it should be classified. The use of molecular phylogenetics has helped to clarify the proper taxonomic placement of the genus. The specific epithet is derived from the Latin Palmatus, meaning “shaped like a hand,” possibly a reference to the resemblance of the cap surface to the lines in the palm of a hand. It has a circumboreal distribution, and has been collected in eastern North America, northern Africa, Europe, and Asia. declining populations in Europe have led to its appearance in over half of the European fungal Red Lists of threatened species. mature specimens may usually be identified by the pinkish color and the distinctive ridged and veined surface of their rubbery caps. The type species was originally described as Agaricus palMatus in 1785 by French botanist Jean Bulliard.
It was transferred to the then newly described genus RhodotUS in a 1926 publication by French mycologist René Maire. A 1986 paper reported that the species Pleurotus pubescens, first described by American mycologists Charles Horton Peck in 1891, was the same as Rhodotos palmatUS. The placement of Rhodotis in the order Agaricales is uncertain, and various authors have offered solutions to the taxonomic conundrum. In 1953, French myCologists Robert Kühner and Henri Romagnesi placed RhodotUs in the family Tricholomataceae on the basis of spore color. In 1988, a proposal was made to split the family into several new families, including a family, Rhodotaceae, to contain a problematic genus, the problematic Rhodotominae. The genus has been inserted in the tribe of Amanitaceae but is obviously closer to tribus Pseudohiatae of the Trichuleinae tribe, which includes such genera as Flammulina, Cyptosporium, and Cyptodium. The taxon has been transferred variously to the families Amanitalidae, Entolom ataceae, and Trichlomatalidae.