Hypholoma fasciculare

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Hypholoma fasciculare
Hypholoma fasciculare Queteraro.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Strophariaceae
Genus: Hypholoma
Species:
H. fasciculare
Binomial name
Hypholoma fasciculare
(Huds.:Fr.) P.Kumm. (1871)
Synonyms
  • Agaricus fascicularisHuds. (1778)
  • Naematoloma fasciculare(Huds.) P.Karst. (1880)
Hypholoma fasciculare
Information icon.svg
Gills icon.png Gills on hymenium
Convex cap icon.svg Cap is convex
Adnate gills icon2.svg Hymenium is adnate
Ring stipe icon.svg Stipe has a ring
Transparent spore print icon.svg
Spore print is purple-brown
Saprotrophic fungus.svgEcology is saprotrophic
Mycomorphbox Poison.pngEdibility is poisonous

Hypholoma fasciculare, commonly known as the sulphur tuft or clustered woodlover, is a common woodland mushroom, often in evidence when hardly any other mushrooms are to be found. This saprotrophic small gill fungus grows prolifically in large clumps on stumps, dead roots or rotting trunks of broadleaved trees.

Contents

The "sulphur tuft" is bitter and poisonous; consuming it can cause vomiting, diarrhea and convulsions. The toxins are steroids known as fasciculols and have been shown to be calmodulin inhibitors. [1] [2]

Taxonomy and naming

The specific epithet is derived from the Latin fascicularis 'in bundles' or 'clustered', [3] referring to its habit of growing in clumps. Its name in Japanese is Nigakuritake (苦栗茸, means "Bitter kuritake").

Description

The hemispherical cap ranges from 2–6 cm (342+38 in) in diameter. It is smooth and sulphur yellow [4] with an orange-brown centre and whitish margin. The crowded gills are initially yellow but darken to a distinctive green colour as the blackish spores develop on the yellow flesh. It has a purple-brown spore print. [5] The stipe is 3–10 cm (1+183+78 in) tall and 4–10 mm wide, [4] light yellow, orange-brown below, often with an indistinct ring zone coloured dark by the spores. The taste is very bitter, [6] though not bitter when cooked, but still poisonous.

Similar species

The edible Hypholoma capnoides is similar, but lacks the greenish-yellow gills and bitter taste. [4] H. sublateritium is similar as well, with a reddish cap. [6]

Distribution and habitat

Hypholoma fasciculare grows prolifically on the dead wood of both deciduous and coniferous trees. It is more commonly found on decaying deciduous wood due to the lower lignin content of this wood relative to coniferous wood. Hypholoma fasciculare is widespread and abundant in northern Europe and North America. It has been recorded from Iran, [7] and also eastern Anatolia in Turkey. [8] It can appear anytime from spring to autumn. [5]

Use in forestry

Hypholoma fasciculare has been used successfully as an experimental treatment to competitively displace a common fungal disease of conifers, Armillaria root rot, from managed coniferous forests. [9]

Chemistry and toxicity

Fasciculols, the toxic constituents of Hypholoma fasciculare mushrooms Fasciculols.svg
Fasciculols, the toxic constituents of Hypholoma fasciculare mushrooms

The toxicity of sulfur tuft mushrooms has been attributed, at least partially, to the toxic steroids fasciculol E and fasciculol F (in mice, with LD50(i.p.) values of 50 mg/kg and 168 mg/kg, respectively). [10] In humans, symptoms may be delayed for 510 hours after consumption, after which time there may be diarrhea, nausea, vomiting, proteinuria and collapse. Paralysis and impaired vision have been recorded. Symptoms generally resolve over a few days. The autopsy of one fatality revealed fulminant hepatitis reminiscent of amatoxin poisoning, along with involvement of kidneys and myocardium. The mushroom was consumed in a dish with other species so the death cannot be attributed to sulfur tuft with certainty. [11]

Extracts of the mushroom show anticoagulant effects. [12]

Related Research Articles

<i>Armillaria</i> Genus of fungi

Armillaria is a genus of fungi that includes the A. mellea species known as honey fungi that live on trees and woody shrubs. It includes about 10 species formerly categorized summarily as A. mellea. Armillarias are long-lived and form the largest living fungi in the world. The largest known organism covers more than 3.4 square miles (8.8 km2) in Oregon's Malheur National Forest and is estimated to be 2,500 years old. Some species of Armillaria display bioluminescence, resulting in foxfire.

<i>Armillaria mellea</i> Species of fungus

Armillaria mellea, commonly known as honey fungus, is an edible basidiomycete fungus in the genus Armillaria. It is a plant pathogen and part of a cryptic species complex of closely related and morphologically similar species. It causes Armillaria root rot in many plant species and produces mushrooms around the base of trees it has infected. The symptoms of infection appear in the crowns of infected trees as discoloured foliage, reduced growth, dieback of the branches and death. The mushrooms are edible but some people may be intolerant to them. This species is capable of producing light via bioluminescence in its mycelium.

<span class="mw-page-title-main">Mushroom poisoning</span> Harmful effects from ingestion of toxic substances present in a mushroom

Mushroom poisoning is poisoning resulting from the ingestion of mushrooms that contain toxic substances. Symptoms can vary from slight gastrointestinal discomfort to death in about 10 days. Mushroom toxins are secondary metabolites produced by the fungus.

<i>Hypholoma</i> Genus of fungi

Hypholoma is a genus of fungi which are quite well known due to the commonness of sulphur tuft on stumps in temperate woodlands. Species in this genus are easily recognizable because the dark spores create a distinctive greenish effect on the yellow cap underside. Hypholoma means "mushrooms with threads" because of the thread-like veil that connects the cap to the stem when young and for the bundles of rhizomorphs which radiate outwards from the stem base. Other well-known species are H. capnoides and H. lateritium.

<i>Hypholoma capnoides</i> Species of fungus

Hypholoma capnoides is a mushroom in the family Strophariaceae. Found in both the Old and New World, it grows on decaying wood and is edible, though may resemble some poisonous species.

<i>Hypholoma lateritium</i> Species of fungus

Hypholoma lateritium, sometimes called brick cap, chestnut mushroom, cinnamon cap, brick top, red woodlover or kuritake, is a fungal species in the genus Hypholoma, which also contains the poisonous species Hypholoma fasciculare and the edible Hypholoma capnoides. Its fruiting bodies are generally larger than either of these. Hypholoma sublateritium is a synonym.

<i>Tricholoma</i> Genus of fungi

Tricholoma is a genus of fungus that contains many fairly fleshy white-spored gilled mushrooms which are found worldwide generally growing in woodlands. These are ectomycorrhizal fungi, existing in a symbiotic relationship with various species of coniferous or broad-leaved trees. The generic name derives from Ancient Greek: τριχο-, romanized: tricho-, lit. 'hair' and Ancient Greek: λῶμα, romanized: loma, lit. 'fringe, border' although only a few species have shaggy caps which fit this description.

<i>Rubroboletus satanas</i> Species of fungus

Rubroboletus satanas, commonly known as Satan's bolete or the Devil's bolete, is a basidiomycete fungus of the bolete family (Boletaceae) and one of its most infamous members. It was known as Boletus satanas before its transfer to the new genus Rubroboletus in 2014, based on molecular phylogenetic data. Found in broad-leaved and mixed woodland in the warmer regions of Europe, it is classified as a poisonous mushroom, known to cause violent gastroenteritis. However, reports of poisoning are rare, due to the striking coloration and unpleasant odor of the fruiting bodies, which discourage experimentation.

<i>Amanita gemmata</i> Species of fungus

Amanita gemmata, commonly known as the gemmed amanita or the jonquil amanita, is an agaric mushroom of the family Amanitaceae and genus Amanita. The fruit body has a cap that is a dull to golden shade of yellow, and typically 2.5–12 centimetres in diameter. The cap surface is sticky when moist, and characterized by white warts, which are easily detached. It is initially convex, and flattens out when mature. The flesh is white and does not change colour when cut. The gills are white and closely spaced. The stem is pale yellow, and measures 4–12 cm long by 0.5–1.9 cm thick. The partial veil that covers the young fruit body turns into the ring on the stem at maturity. The spore print is white. It resembles numerous other species.

<i>Amanita verna</i> Species of fungus

Amanita verna, commonly known as the fool's mushroom or the spring destroying angel, is a deadly poisonous basidiomycete fungus, one of many in the genus Amanita. Occurring in Europe in spring, A. verna associates with various deciduous and coniferous trees. The caps, stipes and gills are all white in colour.

<i>Galerina marginata</i> Poisonous fungus in the family Hymenogastraceae

Galerina marginata, known colloquially as funeral bell, deadly skullcap, autumn skullcap or deadly galerina, is a species of extremely poisonous mushroom-forming fungus in the family Hymenogastraceae of the order Agaricales. It contains the same deadly amatoxins found in the death cap. Ingestion in toxic amounts causes severe liver damage with vomiting, diarrhea, hypothermia, and eventual death if not treated rapidly. About ten poisonings have been attributed to the species now grouped as G. marginata over the last century.

<i>Entoloma</i> Genus of fungi

Entoloma is a genus of fungi in the order Agaricales. Called pinkgills in English, basidiocarps are typically agaricoid, though a minority are gasteroid. All have salmon-pink basidiospores which colour the gills at maturity and are angular (polyhedral) under a microscope. The genus is large, with almost 2000 species worldwide. Most species are saprotrophic, but some are ectomycorrhizal, and a few are parasitic on other fungi. The type, Entoloma sinuatum, is one of several Entoloma species that are poisonous, typically causing mild to severe gastrointestinal illness.

<i>Stropharia aeruginosa</i> Species of fungus

Stropharia aeruginosa, commonly known as the blue-green stropharia, or verdigris agaric, is a medium-sized green, slimy woodland mushroom, found on lawns, mulch and woodland from spring to autumn. The edibility of this mushroom is controversial - some sources claim that it is edible, while others claim it to be poisonous, although effects are little known and its toxic constituents undescribed.

Psilocybe naematoliformis, is a species of fungus in the mushroom family Hymenogastraceae. It is a psilocybin mushroom, having psilocybin and psilocin as the main active hallucinogenic compounds.

<i>Xeromphalina campanella</i> Species of fungus

Xeromphalina campanella is a species of mushroom. The common names of the species include the golden trumpet and the bell Omphalina. The genus name Xeromphalina means "little dry navel" and campanella means "bell-shaped", respectively describing the mature and young shapes of the pileus, or cap. The mushroom is also called fuzzy-foot.

<i>Amanita atkinsoniana</i> Species of fungus

Amanita atkinsoniana, also known as the Atkinson's amanita, is a species of fungus in the family Amanitaceae. The fruit body is white to brownish, with caps up to 12.5 centimetres in diameter, and stems up to 20 cm long. The surface of the cap is covered with brownish conical warts.

<i>Pholiota squarrosa</i> Species of fungus

Pholiota squarrosa, commonly known as the shaggy scalycap, the shaggy Pholiota, or the scaly Pholiota, is a species of mushroom in the family Strophariaceae. Common in North America and Europe, it is a secondary parasite, in that it attacks trees that have already been weakened from prior injury or infection by bacteria or other fungi. It has a wide range of hosts among deciduous trees, although it can also infect conifers. It can also live as a saprobe, deriving nutrients from decomposing wood.

<i>Armillaria ostoyae</i> Species of fungus

Armillaria ostoyae is a species of fungus (mushroom), pathogenic to trees, in the family Physalacriaceae. In the western United States, it is the most common variant of the group of species under the name Armillaria mellea. A. ostoyae is common on both hardwood and conifer wood in forests west of the Cascade Range in Oregon, United States. It has decurrent gills and the stipe has a ring. The mycelium invades the sapwood and is able to disseminate over great distances under the bark or between trees in the form of black rhizomorphs ("shoestrings"). In most areas of North America, Armillaria ostoyae can be separated from other species by its physical features: cream-brown colors, prominent cap scales, and a well-developed stem ring distinguish it from other Armillaria. Like several other Armillaria, the mycelium of Armillaria ostoyae can display bioluminescence, resulting in foxfire.

<i>Amanita sphaerobulbosa</i> Species of fungus

Amanita sphaerobulbosa, commonly known as the Asian abrupt-bulbed Lepidella, is a species of agaric fungus in the family Amanitaceae. First described by mycologist Tsuguo Hongo in 1969, it is found in Southern Asia.

References

  1. "Grünblättriger Schwefelkopf (Hypholoma fasciculare) im GIFTPFLANZEN.COMpendium - www.giftpflanzen.com". giftpflanzen.com.
  2. Kubo, Isao; Matsumoto, Akiko; Kozuka, Mutsuo.; Wood, William F. (1985). "Calmodulin Inhibitors from the Bitter Mushroom Naematoloma fasciculare". Chem. Pharm. Bull. 33: 3821–3825. doi:10.1248/cpb.33.3821.
  3. Simpson, D.P. (1979). Cassell's Latin Dictionary (5 ed.). London: Cassell Ltd. p. 883. ISBN   0-304-52257-0.
  4. 1 2 3 Davis, R. Michael; Sommer, Robert; Menge, John A. (2012). Field Guide to Mushrooms of Western North America. Berkeley: University of California Press. pp. 215–216. ISBN   978-0-520-95360-4. OCLC   797915861.
  5. 1 2 Nilsson, Sven; Persson, Olle (1977). Fungi of Northern Europe 2: Gill-Fungi. Penguin, New York. ISBN   0-14-063006-6.
  6. 1 2 Trudell, Steve; Ammirati, Joe (2009). Mushrooms of the Pacific Northwest. Timber Press Field Guides. Portland, OR: Timber Press. pp. 206–207. ISBN   978-0-88192-935-5.
  7. Asef Shayan, M.R. (2010). قارچهای سمی ایران (Qarch-ha-ye Sammi-ye Iran)[Poisonous mushrooms of Iran] (in Persian). Iran shenasi. p. 214. ISBN   978-964-2725-29-8.
  8. Demirel K, Uzun Y, Kaya A (2004). "Some Poisonous Fungi of East Anatolia" (PDF). Turk J Bot. 28: 215–19. Archived from the original (PDF) on 2005-05-05. Retrieved 2008-02-08.
  9. Chapman, Bill; Xiao, Guoping; Myers, Sheldan (2004). "Early results from field trials using Hypholoma fasciculare to reduce Armillaria ostoyae root disease". Canadian Journal of Botany. 82 (7): 962–9. doi:10.1139/b04-078.
  10. Suzuki, Kumiko; Fujimoto, Haruhiro; Yamazaki, Mikio (1983). "The toxic principles of Naematoloma fasciculare". Chemical and Pharmaceutical Bulletin. 31 (6): 2176–8. doi:10.1248/cpb.31.2176. PMID   6685576.
  11. Benjamin, Denis R. (1995). Mushrooms: poisons and panaceas — a handbook for naturalists, mycologists and physicians. New York: WH Freeman and Company. pp. 381–82. ISBN   0-7167-2600-9.
  12. Doljak, B.; Stegnar, M.; Urleb, U.; Kreft, S.; Umek, A.; Ciglarič, M.; Štrukelj, B.; Popovič, T. (2001). "Screening for selective thrombin inhibitors in mushrooms". Blood Coagulation and Fibrinolysis. 12 (2): 123–8. doi:10.1097/00001721-200103000-00006. PMID   11302474. S2CID   28411589.