Deconica semiinconspicua

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Deconica semiinconspicua - Wikipedia

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Deconica semiinconspicua
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Basidiomycota
Class:	Agaricomycetes
Order:	Agaricales
Family:	Strophariaceae
Genus:	Deconica
Species:	D. semiinconspicua
Binomial name
*Deconica semiinconspicua* (Guzmán & J. M. Trappe) Ram.-Cruz & Guzmán (2012)
Synonyms^[1]
Psilocybe semiinconspicua Guzmán & J. M. Trappe (2005)

Deconica semiinconspicua is a mushroom native to the state of Washington in the United States. The mushroom is small, rare, difficult to see and, according to Guzmán and Trappe (2005), stains blue where damaged.^[2] However, Ramírez-Cruz et al. (2012) state that it is "without a really observable bluing reaction".^[1] It was described as a psychoactive species of Psilocybe in section Semilanceatae, but Ramírez-Cruz et al. (2012) found that its macroscopic and microscopic morphological features and its DNA sequence, which Ramírez-Cruz et al. did not publish, were a better match for Deconica.^[1] Ramírez-Cruz et al. (2012) also stated that it is very similar to Deconica montana.^[1] It can be mistaken for Psilocybe silvatica and can be distinguished by its more conic cap, narrower spores and narrower cheilocystidia.^[2]

This mushroom is only known from the type locality where it was found on July 22, 1987, at Glacier Peak Wilderness Area in Wentachee National Forest, Washington, USA.^[2]

Description

Cap

The cap is 7–12 mm and convex, becoming nearly plane in age. It is hygrophanous, has a smooth surface, and is olive black when moist, fading to brownish orange or dark reddish brown as it dries.^[2]

Gills

The gills are Adnate light grayish brown at first, turning dark purple as the spores mature.^[2]

Spores

Deconica semiinconspicua spores are 8–10 x 5–7 μm, subovoid to ellipsoid, thick-walled, and yellowish brown to dark purple brown in deposit.^[2]

Stipe

The stipe is 15–20 x 2 mm, hollow, has an equal width, and is white with whitish or brownish floccose scales, drying to a reddish brown. It stains blue near the base according to Guzmán and Trappe (2005).^[2] Ramírez-Cruz et al. (2012) state that it is "without a really observable bluing reaction".^[1]

Microscopic features

The basidia of Deconica semiinconspicua have four spores each. The cheilocystidia are sublageniform and 24–30 x 6–8 μm. No pleurocystidia have been observed. Clamp connections are present.

Habitat

Deconica semiinconspicua is gregarious in small groups among shrubs on a creek bank.^[2]

References

^ ^a ^b ^c ^d ^e Ramírez-Cruz, Virginia; Guzmán, Gastón; Guzmán-Dávalos, Laura (2012). "New Combinations in the genus Deconica (Fungi, Basidiomycota, Agaricales)". Sydowia. 64: 217–219.
^ ^a ^b ^c ^d ^e ^f ^g ^h Guzmán, Gastón; Trappe, James M. (2005). "The Hallucinogenic and Nonhallucinogenic Species of the Genus Psilocybe Fayod (Basidiomycotina) in Washington State, USA: New Records and a New Species". International Journal of Medicinal Mushrooms. 7 (4): 583–590. doi:10.1615/intjmedmushr.v7.i4.80.

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