|Amanita fuliginea found growing under mixed woods of hardwoods and pine trees in Tsukuba, Ibaragi, Japan|
|gills on hymenium|
|cap is convex|
|hymenium is free|
|stipe has a ring and volva|
|spore print is white|
|ecology is mycorrhizal|
Amanita fuliginea, commonly known as the east Asian brown death cap, is a species of deadly poisonous mushroom in the family Amanitaceae. It was described as new to science by Japanese mycologist Tsuguo Hongo in 1953. Fruit bodies have convex, dark gray to blackish caps measuring 3–6 cm (1.2–2.4 in) in diameter. The gills, largely free from attachment to the stipe, are white and have short gills (lamellulae) interspersed. The spores are roughly spherical, amyloid, and typically measure 8–11 by 7–9.5 µm. The mushroom is common in China, where it has caused poisonings, a review of cases in southern China finding it had been responsible for the poisoning of 352 people, 79 of which died, between 1994 and 2012.
Several toxic peptides have been identified from the mushroom: α-amanitin, β-amanitin, amaninamide, phallacin, phallacidin, phallisacin, desoxoviroidin, and an additional unidentified phallotoxin. A. fuliginea is classified in Amanita section Phalloideae, which contains several deadly toxic species.
- Hongo T. (1953). "Larger fungi of the provinces of Omi and Yamashiro (4)". Journal of Japanese Botany. 28: 69–75.
- Tulloss RE. "Amanita fuliginea". Amanitaceae.org. Retrieved 2014-11-30.
- Zuohong Chen & Ping Zhang & Zhiguang Zhang (2014). "Investigation and analysis of 102 mushroom poisoning cases in Southern China from 1994 to 2012". Fungal Diversity. 64: 123–31. doi:10.1007/s13225-013-0260-7.
- Deng WQ, Li TH, Xi PG, Gan LX, Xiao ZD, Jiang ZD (2011). "Peptide toxin components of Amanita exitialis basidiocarps". Mycologia. 103 (5): 946–9. doi:10.3852/10-319. PMID 21471295.
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