biology

Pluteus salicinus

Pluteus salicinus is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Pluteus salicinus rather than just read about it. In short: Pluteus salicinus is a European psychedelic mushroom that grows on wood. It is an edible mushroom after parboiling.

Key takeaways

Pluteus salicinus belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Pluteus salicinus to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Pluteus salicinus from memory before moving on to harder problems.

Reference excerpt

Pluteus salicinus is a European psychedelic mushroom that grows on wood. It is an edible mushroom after parboiling.

Taxonomy The species was originally described by Christian Hendrik Persoon as Agaricus salicinus in 1798. Paul Kummer transferred it to the genus Pluteus in 1871.

Description Cap: 2 — 5(8) cm in diameter, convex becoming broadly convex to plane, silver-gray to brownish-gray, often with blue or greenish tint in age, smooth, with tiny scales near the center, darker at the margin, slightly translucent-striate when moist, unlined cap margin, flesh white with a grayish tinge, thin to moderate. Cap skin fibrous. Gills: Crowded, broad, free, at first white, becoming pink-flesh colored; ventricose. Edges discoloring or bruising grayish. Stipe: 3 — 5(10) long, 0.2 — 0.6 cm thick, more or less equal or slightly swollen at the base, flesh white with grayish-green to bluish-green tones, especially near the base. Ring absent. Firm, full or stuffed. Taste: Unpleasant, indefinite or somewhat raphanoid (like radish). Odor: Unpleasant, indefinite or somewhat raphanoid. Spores: pink, smooth, 7 — 8.5 x 5 - 6 μm. Spore print pink-flesh colored to brown-pink. Microscopic features: Pleurocystidia fusiform with slightly thickened walls 50 — 70 x 11 — 18 μm; with 3 — 5 horn-like projections.

Habitat and distribution This mushroom is widely distributed across western Europe and Siberia. It is found on hardwoods - Alnus, Eucalyptus, Fagus, Populus and Quercus. It is always found growing on wood. Summer-fall, solitary or gregarious on dead wood of hardwoods, in damp forests on flood-plains.

Common name The 'knackers crumpet' is a localised, common name referring to Pluteus salicinus. Its use is most prominent in the North of England.

Chemistry The concentration of psilocybin and psilocin in the dried sample of P. salicinus has been reported in the range of 0.21-0.35 and 0.011-0.05%, respectively.

See also List of Pluteus species List of Psilocybin mushrooms

References

Stamets, Paul (1996). Psilocybin Mushrooms of the World. Berkeley: Ten Speed Press. ISBN 0-9610798-0-0.

External links Pluteus salicinus photo and description Media related to Pluteus salicinus at Wikimedia Commons

Illustrations

Worked examples

Example 1 — a first encounter with Pluteus salicinus

Start with the simplest possible case. Write down what Pluteus salicinus claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Pluteus salicinus before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Pluteus salicinus ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Pluteus salicinus

In research: Pluteus salicinus appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Pluteus salicinus in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Pluteus salicinus is common in secondary-school and first-year university syllabi. It links to neighbouring topics Edible fungi, Fungi described in 1798, Fungi of Europe, so understanding it makes those chapters shorter.
In everyday life: Look for Pluteus salicinus outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Pluteus salicinus in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Pluteus salicinus means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Pluteus salicinus out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Pluteus salicinus in simple terms?

Pluteus salicinus is a European psychedelic mushroom that grows on wood. It is an edible mushroom after parboiling.

Why does Pluteus salicinus matter?

Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Pluteus salicinus?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Pluteus salicinus.