Saturday, October 26, 2024

Friendly fungi

"Gregarious: fond of the company of others, sociable." (Dictionary.com) The word struck me in a description of these mushrooms. The ones I saw along the Quinsam river were certainly gregarious, clustered together up and down the trunks of long-dead snags.

Trembling crust, Plebia tremellosa

Trembling crust, detail.

In many ways these look like soft polypores, the bracket fungi. But they're better called a crust, and they don't have pores. Each individual starts out as a flat circle on the wood, and as they mature, the top bends over, forming a protective lip. Now the face of the flat part and the underside of the lip wrinkle and fold; this is the spore-bearing part of the mushroom.* As it ages, it darkens, may become orange or pinkish. The top of the lip is paler and hairy.

The names, "trembling crust" and in Latin, Phlebia tremullosa, meaning "trembling veins" are descriptive. The flesh of the mushroom is soft and flexible, jelly-like. Another name is "jelly rot"; that's what they do, rot the old wood, which helps to provide nesting and shelter spaces for birds and other wildlife.

A new colony on another snag.

These mushrooms live on dead wood, of both conifers and deciduous trees.

*There is an excellent photo of the wrinkled underside of these mushrooms on First-Nature; the second photo on the page.

~~~~~~~~~~~~~
"Gregario": definido como "sociable, que tiende a vivir agrupado con otros congéneres".
La palabra, definiendo un hongo que había visto en a orilla del rio Quinsam, me llamó la atención. Bien que describía estos hongos, creciendo en grandes aglomeraciones a lo largo de varios árboles muertos.
  1. Phlebia tremullosa, "Costra temblorosa" en un tronco muerto.
  2. Detalle.
  3. Otra colonia en otro árbol.
Estos hongos, a primera vista, se parecen a los políporos, los hongos repisa. Pero mejor dicho, son costras, y no tienen poros. Cada hongo empieza la vida como un círculo plano en la madera, y al madurar, el borde superior se dobla para adelante, formando un sombrerito protector. Y ahora la superfice de la parte adherida a la madera, y la superficie inferior del sombrerito se pliegan, formando arrugas bien definidas.* Mientras pasa el tiempo, esta superficie se oscurece, y puede tomar un tono anaranjado o color de rosa. La parte superior del sombrero es pálido y lanudo.

El nombre científico, Phlebia tremullosa, "venas temblorosas" describe bien este hongo. La carne del hongo es gelatinosa o elástica, según la temporada, húmeda o seca. 

El hongo crece en maderas muertas, ya sea de coníferas o de árboles de hoja caduca, descomponiendo la madera y así contribuyendo sitios para anidar y para protegerse de los elementos para pájaros y otros animales salvajes.

*Hay una foto excelente de esta superficie arrugada en el sitio web, First-Nature


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