Publicado: Nov 20, 2024
Escrito por: Helissa

An encounter with three specimens of Irpex rosettiformis, a wild edible fungus. They were in two different areas; two growing on some decaying trunks already well buried in an area with exotic pine (Pinus sp.), and another inside an Araucaria moist forest (Mixed ombrophilous forest), also growing on wood.

Known in English as Poretooth Rosette, in the past it was also known by another scientific name, Hydnopolyporus fimbriatus. It usually looks a bit like a flower with small petals.

But I saw that they don’t always have this shape. This one I found in the woods (photo below) had its “petals” spread out without forming a rosette, for example.

The hymenophore (underside) has structures that look like little “thorns”, which are very interesting. Although this species is edible I haven’t tried it yet. This was the first time we found so many specimens and I was able to be more certain of the identification, which I later also got confirmation from an expert on iNaturalist.

Irpex rosettiformis found on wood in an Araucaria moist forest, and details of the individual “petals” and its underside with small “thorns”.

It’s a fungus that’s not usually very big. This larger “rosette” should be about 8 cm in diameter, and the individual petals are very small, as you can see in the photos where I’m holding one in my hand (about 3 cm in height and width). So I don’t know how interesting it is to make a meal, except if you find a lot of it. They don’t seem to be very common around here, but I hope to at least be able to try them one day.

⚠ Remember to never eat wild mushrooms without proper identification.

📸 Pictures made in São Francisco de Paula, Rio Grande do Sul (Serra Gaúcha, South of Brazil).

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