Mushroom Anatomy 101

Psilocybin Mushroom Anatomy 101

Do you know the the parts of a psilocybin mushroom fruiting body or where the spores are located?

Knowing psilocybin mushroom anatomy is essential to being an educated mushroom consumer. In this article, Frshminds gives you the lowdown on the parts of the psilocybin mushroom.

Parts of a Psilocybin Mushroom

Psilocybin Mushroom Anatomy
Simplified diagram of mushroom anatomy

When most people think of a mushroom, they usually think of fleshy, usually bulbous, spore-bearing fruiting body of a fungus, typically produced above ground, usually a run of the mill white button mushroom, the term “Mushroom” describes a variety of other gilled fungi. Mushrooms have two main parts – the fruiting body and the mycelium, which grows hidden beneath the surface of the soil, absorbing nutrients from its surroundings. It can grow and live for many years, even after the fruiting body dies.

While psilocybin mushrooms and psilocybin mushrooms are from the same toxaemic order, Agaricales (Read Frshmind’s article, The Taxonomy of Magic Mushrooms, to learn how mushrooms are classified, they are from a different family, so their structures may differ from those of the common white button mushroom.  We will run through these structures below.

Mushroom Cap

Often referred to as the pileus, it is the differently shaped and colored upper part of the mushroom that protects the gills; it usually resembles a headdress, hence its name. The cap normally houses the spore producing surface of the fruiting body, which consist of gills.

Mushroom Stem

The stock/axis supporting the mushroom’s cap, often referred to as the stipe.

Mushroom Gills

The gills (lamellae, sing. lamella) on the underside of the cap produce microscopic spores that help the fungus spread across the ground or its occupant surface.

Mushroom Spores

Microscopic seeds acting as reproductive agents; at the end of the growing season, the mushroom will release spores that are capable of turning into their own mycelium. They are usually released into the air and fall on a substrate to produce a new mushroom. The spore of a mushroom contains all of the necessary materials to form a new fungus. Once the spore has been released and is settled on the forest floor, it will begin sending out hyphae to help establish the fungus and gather food.

After the spore has sent out its hyphae, they will eventually meet up with the hyphae of another mushroom. After the process of reproduction has begun, the mushroom forms the structures of a “fruiting body” that will eventually produce and disperse spores. The button stage is the early form of this fruiting body. What begins as a tiny button can grow into an impressive mushroom very quickly, with some appearing and disappearing overnight, or very slowly over the course of months.


Tangle of hyphae created through spore germination, from which the aboveground part of the mushroom develops.  What we call the mushroom is the “fruit” of the fungi and its primary function is reproduction, spreading mushroom spores at the end of the mushroom’s life cycle, so new mushrooms will start to grow nearby.

But underground, fungus send out thin fibers similar to the roots of a plant, called mycelium – to find nutrients. Sometimes going on for miles, they can remain dormant underground for many seasons.


Microscopic filament, often white, that draws water and the organic matter necessary for mushroom development.

Eventually each individual fiber, called a hyphae, will break through the surface of the forest. Then it will develop into the structure we normally think of as the mushroom: the edible cap and stem (also called a stalk).


Remnant of a membrane that completely covered the immature mushroom and ruptured as the stem grew.


Membrane located under the cap and circling the stem; remnant of a membrane that covered the gills of the immature mushroom and ruptured as the cap grew.

Frequently Ask Questions About Psilocybin Mushroom Anatomy

Which part of a mushroom can you see above the ground

The stalk and cap, collectively called the fruiting body, comprises the organism’s reproductive structure and is what you see above the ground

Do mushrooms have roots?

Mushrooms do not have roots, as they are not part of the plant kingdom. Fungi and mushrooms have an equivalent structured called mycelium.
Roots are primarily applicable to the plant kingdom. Mushrooms, which are part of the fungi kingdom, grow out of mycelium.

Which part of the mushroom do you eat?

First of all, before eating any mushroom, confirm that it is not poisonous. But in general, if a mushroom is edible, you can eat all pars of it

What is the function of the fungal fruiting body?

While the fruiting body only exists for a short phase of the fungi’s overall lifespan, it is the organism’s reproductive organ.

The Basics of Magic Mushrooms

If you are looking to get up to speed on magic mushrooms, these articles on Frshminds will get you there in no time:


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