Psilocybe subaeruginosa
| Psilocybe subaeruginosa | |
|---|---|
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| Scientific classification | |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Agaricales |
| Family: | Strophariaceae |
| Genus: | Psilocybe |
| Species: | P. subaeruginosa |
| Binomial name | |
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Psilocybe subaeruginosa Cleland (1927) |
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| Synonyms | |
| Psilocybe subaeruginosa | |
|---|---|
| Mycological characteristics | |
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gills on hymenium |
 
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cap is conical or umbonate |
 
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hymenium is adnate or adnexed |
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stipe is bare |
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spore print is purple-brown |
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ecology is saprotrophic |
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edibility: psychoactive |
cap is conical
hymenium is adnate
Psilocybe subaeruginosa is a potent psychedelic mushroom from Australasia and New Zealand, which has psilocybin and psilocin as its main active compounds.
First described in 1927 by Australian mycologist John Burton Cleland, it was previously placed in the section Cyanescens.Cyanescens has since been deprecated as a section and so Psilocybe subaeruginosa now falls under the section Semilanceatae.
A 1992 study of comparative morphology, isozyme analysis and mating compatibility approaches suggested that P. australiana, P. eucalypta and P. tasmaniana are synonyms of this species. It is unclear, however, whether the study authors actually used true P. subaeruginosa for comparison, and if the results have any validity. Additional studies have rejected the proposed synonymy with P. tasmaniana based on differences in habitat and microscopic characters.
The cap is 1–6 cm in diameter, conical to convex, tan brown, hygrophanous, margin striate when moist, uplifting in age, and often with a slight umbo. It bruises bluish where damaged. The gills are crowded, cream color when young, violet brown in age, with adnate to adnexed attachment. The spore print is dark violet brown. The stipe is 4.5 to 22 cm long, 0.2 to 0.5 cm thick, white, bruising blue where damaged, finely striate, and equal to slightly enlarged near the base. A white cortinate partial veil soon disappears and often leaves traces in the upper stipe. The taste and odor are . The cheilocystidia are 17–29 x 5.5–11, hyaline, fusoid-ventricose, subpyriform or mucronate, often with an elongated neck at the apex which is 2–4.5 µm. The pleurocystidia measure 22–47 x 6–16 µm and is shaped like the cheilocystidia and also hyaline. The spores are smooth, subellipsoid, with an apical germ pore, measuring (10) 13.2–14.3 (15.4) x 6.6–7.7 x 6–7.5 µm.
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