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''Psilocybe guilartensis'' is a psilocybin mushroom which has psilocybin and psilocin as main active compounds. It is common in Puerto Rico. First reported in the literature in 1997,〔Guzmán G, Tapia F, Nieves-Rivera ÁM, Betancourt C. (1997). Two new bluing species of ''Psilocybe'' from Puerto Rico. ''Mycotaxon'' 63(1): 377-382.〕 Gastón Guzmán placed ''P. guilartensis'' in ''Psilocybe'' section Brunneocystidiatae due to its blue staining reaction, small thick-walled subrhomboid spores, and pigmented cystidia.〔Guzmán G, Tapia F, Ramírez-Guillén F, Baroni TJ, Lodge DJ, Cantrell SA, Nieves-Rivera ÁM. (2003). A new species of ''Psilocybe'' in the Caribbean with an emendation of ''Psilocybe guilartensis''. ''Mycologia'' 95(6): 1171–1180.〕 Other mushrooms in the section Brunneocystidiatae include ''Psilocybe banderillensis'', ''Psilocybe banderillensis var. paulensis'', ''Psilocybe brunneocystidia'', ''Psilocybe heimii'', ''Psilocybe inconspicua'', ''Psilocybe pleurocystidiosa'', ''Psilocybe rzedowski'', ''Psilocybe singeri'', ''Psilocybe uxpanapensis'', ''Psilocybe veraecrucis'' and ''Psilocybe weldenii''. == Description == *Cap: 1 - 3 cm in diameter, initially subconical to campanulate (bell-shaped), expanding to plano-convex with an umbo. Cap surface dark violet brown in color, translucent-striate near the margin, hygrophanous, fading to tan as it dries. Staining blue-green to black where bruised. *Gills: Cream color when young, violet brown or chocolate brown in age, with adnexed attachment. *Spores: Dark violet brown, subrhomboid in face view, subellipsoid in side view, thick walled, 6 x 5 µm. *Stipe: 3 - 8 cm long, 1 - 2 mm thick, central, equal with subbulbous base, hollow and cylindric, color whitish to brown, ornamented with small flattened scales towards the base. The base is covered in tiny yellow fibers which help distinguish this from similar species. Staining blue-green to black where bruised. *Taste: Farinaceous, sometimes with a slight mustard taste. *Odor: Farinaceous, sometimes with a slight mustard odor. *Microscopic features: Pigmented cheilocystidia and pleurocystidia present. Basidia four-spored. Clamp connections common. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Psilocybe guilartensis」の詳細全文を読む スポンサード リンク
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