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Resinous ishnoderma is a genus of the same name of fungi of the Fomitopsis family. The species has several names: resinous-odorous ishnoderma, resinous ichnoderma, benzoic shelf, resinous tinder fungus. The ability to distinguish this inedible species will help when picking mushrooms.
What does resinous inoderm look like?
Ischnoderma resinous grows both alone and in groups. It has a rounded sessile shape and a descending base.
The size of the fruiting body does not exceed 20 cm, and the thickness of the cap is 3-4 cm
The species is painted in bronze, brown or red-brown, the surface is velvety to the touch. In adult specimens, it is smoother, with black patches. The edges of the cap are light, slightly curved around the circumference.
During active growth, a brown or reddish liquid is released on the surface.
Ischnoderma is characterized by a tubular hymenophore (the part of the fungus under the cap), the color of which changes as the fruiting body grows. In young specimens, a creamy shade predominates, which gradually darkens and becomes brown.
The species is distinguished by rounded, slightly angular pores.
Spores are elliptical, smooth, colorless. Young specimens are distinguished by juicy white pulp, which eventually acquires a light brown hue. Ishnoderma does not have a pronounced taste, its aroma is vaguely reminiscent of vanilla.
Initially, whitish juicy tissue becomes woody, light brown, and acquires the smell of anise as it grows. This fungal variety is capable of causing the development of fir stem rot. Infection quickly spreads through the tree, which most often leads to the rapid death of the plant.
Where and how to grow
Ischnoderma grows in North America, Asia and Europe. However, the species is rarely seen. In Our Country, it is distributed in deciduous forests, conifers and taiga regions. The fungus is classified as a saprotroph, an annual. He prefers deadwood, deadwood, pine and spruce stumps. In addition to the stem, it can provoke the appearance of white rot.
Is the mushroom edible or not?
The mushroom belongs to the inedible group, therefore it is strictly forbidden to collect and use fruiting bodies in cooking. This can lead to poisoning and further health problems.
Twins and their differences
The main false twin of resinous ishnoderma is a representative of the same genus – varnished tinder fungus. It is also called “reishi”, “lingzhi” and “mushroom of immortality”. It differs from the inshoderma in shape, color, large size of the cap, underdeveloped stem, large irregular pores of the hymenophore.
Resinous ishnoderma infects living trees, and varnished – dead wood
The twins of ishnoderma include the tinder fungus flat (Ganoderma flat).
The fungus is ubiquitous, has a flat matte surface and deep pores in a multilayered hymenophore.
The fungus is also often confused with the southern tinder fungus (southern ganodrema), a relative of the flat tinder fungus. This variety lives only in the southern territories, has a larger size and a varnish-glossy surface.
The hymenophore has no intermediate layer, the pores are larger and deeper
Another twin is the expressive tinder fungus, which also belongs to the subspecies of the flat tinder fungus.
The hymenophore has no intermediate layer, the pores are larger and deeper
You can find out more information about the search for tinder fungi in the video:
Conclusion
Resinous ishnoderma is an inedible species that is common in deciduous forests, conifers, and taiga regions. It has several false twins, which are easily distinguished by the size of the fruiting body, pores, and also by the color of the surface.