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Black Jelly Roll

Pisolithus Arhizus

Common Names: Black Jelly Roll, Dyeball, Dog Turd Fungus

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Culinary
Medicinal

About

Pisolithus arhizus, commonly known as the Dyemaker's Puffball or the Dog Turd Fungus, is a distinctive fungus notable for its peculiar appearance and ecological role. This species is found widely distributed across various continents including North America, Europe, and Australia, thriving in sandy soils and often in disturbed areas alongside roadsides and in open fields. The mushroom emerges from the soil as a dark, globular mass that may initially be mistaken for animal droppings. As it matures, the outer skin cracks to reveal a complex interior filled with powdery spores that range in color from yellow-brown to dark brown. The mature fruit bodies can reach up to 15 centimeters in diameter, making them quite conspicuous in their natural habitat. Ecologically, Pisolithus arhizus is a mycorrhizal fungus, forming beneficial associations with the roots of various tree species, especially pines and eucalypts. This symbiotic relationship enhances the host tree’s ability to absorb water and nutrients from the soil, particularly in poor soil conditions, thereby improving the plant's growth and survival rates. While not considered edible due to its bitter taste and tough texture, Pisolithus arhizus is valued in other fields. It is used in the dyeing of textiles, giving rich brown and gold hues, and is researched for its potential in bioremediation projects due to its ability to tolerate and thrive in contaminated environments. This robust mushroom is a fascinating example of nature’s complexity and adaptability.

Flavors

Bland

Pisolithus arhizus is not typically consumed for its flavor, and when tasted, it is often described as bland or neutral.

Textures

Gelatinous

The interior of the Pisolithus arhizus can have a gelatinous consistency, especially in its younger stages.

Rubbery

As the mushroom matures, it can develop a more rubbery texture.

Fragrances

Earthy

Being a ground-growing mushroom, it has a natural earthy aroma.

Fungus

It has a typical mushroom scent, especially when fresh.

Physical Characteristics

Caps:

Irregular rounded mass, up to 30 cm wide. Brown to blackish.

Gills:

No true gills, spore mass inside.

Look Alike Species

Scleroderma Citrinum

Specie:

Scleroderma citrinum

Edibility:

toxic

Differences:Smooth exterior, lacks jelly-like gleba

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References