Gyroporus castaneus

Gyroporus castaneus, commonly known as the chestnut bolete, is a species of mushroom belonging to the Boletaceae family. This fungus is found in various parts of the world, primarily in deciduous and coniferous forests, where it forms mycorrhizal associations with trees, facilitating nutrient exchange between the soil and its host. The presence of Gyroporus castaneus is often an indicator of healthy, undisturbed ecosystems.

Description

Gyroporus castaneus features a distinctive chestnut-brown cap, which can range from 3 to 10 cm in diameter. The cap is initially convex but becomes more flattened with age. The underside of the cap contains small, circular pores that are white to pale yellow in color. The stipe (stem) of the mushroom is also chestnut brown and measures 4 to 8 cm in height and 1 to 2.5 cm in width. The flesh of the mushroom is white and does not change color when cut or bruised.

Habitat and Distribution

Gyroporus castaneus is widely distributed across North America, Europe, and Asia. It prefers sandy soils in both deciduous forests, particularly under oak and beech trees, and in coniferous forests. The fruiting season for Gyroporus castaneus typically occurs in late summer to early autumn.

Edibility

The chestnut bolete is considered edible, although it is not as highly regarded as some other bolete species. It is recommended to cook this mushroom thoroughly before consumption, as all wild mushrooms can potentially contain harmful toxins.

Conservation

While Gyroporus castaneus is not currently listed as endangered or threatened, its presence is dependent on the health of forest ecosystems. Conservation efforts aimed at preserving natural habitats are crucial for the continued survival of this species and many others that rely on mycorrhizal relationships.

See Also

• Boletaceae
• Mycorrhiza
• Mushroom hunting

Gyroporus castaneus
Mycological characteristics
	pores on hymenium
	cap is convex
	hymenium attachment is not applicable
	stipe is bare
	spore print is yellow
	ecology is mycorrhizal
	edibility: edible