Geastrum fornicatum: Difference between revisions
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==History== |
==History== |
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When first described in the late 17th century, the species was called ''Fungus anthropomorphus'' due to its resemblance to the human figure.<ref name="urlwaynesword.palomar.edu">{{cite web |url=http://waynesword.palomar.edu/ww0504.htm#Herb |title=waynesword.palomar.edu |format= |work= |accessdate=2009-01-02}}</ref> In his 1799 treatise ''Colored Figures of English Fungi or Mushrooms'', English naturalist [[James Sowerby]] wrote:<blockquote>So strange a vegetable has surprised many; and in the year 1695 it was published under the name of Fungus Anthropomorphus, and figured with human faces on the head. It is at first roundish; in ripening the head bursts through the two coats or wrappers; the inner wrapper, detaching itself from the outer, becomes inverted, connected only by the edges; the coats most constantly split into four parts.<ref name="urlColoured Figures of English Fungi Or ... — Google Book Search">{{cite book |url=http://books.google. |
When first described in the late 17th century, the species was called ''Fungus anthropomorphus'' due to its resemblance to the human figure.<ref name="urlwaynesword.palomar.edu">{{cite web |url=http://waynesword.palomar.edu/ww0504.htm#Herb |title=waynesword.palomar.edu |format= |work= |accessdate=2009-01-02}}</ref> In his 1799 treatise ''Colored Figures of English Fungi or Mushrooms'', English naturalist [[James Sowerby]] wrote:<blockquote>So strange a vegetable has surprised many; and in the year 1695 it was published under the name of Fungus Anthropomorphus, and figured with human faces on the head. It is at first roundish; in ripening the head bursts through the two coats or wrappers; the inner wrapper, detaching itself from the outer, becomes inverted, connected only by the edges; the coats most constantly split into four parts.<ref name="urlColoured Figures of English Fungi Or ... — Google Book Search">{{cite book |url=http://books.google.ca/books?id=mikWAAAAYAAJ&pg=PT178&lpg=PT178&dq=%22Fungus+anthropomorphus%22&source=bl&ots=w1Z6_Nl_xz&sig=ev_v1T_VW3G4HMgDdbr2KKDMzmo&hl=en&sa=X&oi=book_result&resnum=9&ct=result#PPT179,M1 |title=Coloured Figures of English Fungi Or ... — Google Book Search |format= |work= |accessdate=2009-01-02}}</ref></blockquote> |
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==Description== |
==Description== |
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==Antimicrobial activity== |
==Antimicrobial activity== |
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[[Methanol]] [[extract]]s of ''G. fornicatum'' were shown to be inhibitory to the growth of various [[bacteria]] that are [[pathogen]]ic to humans, including ''[[Bacillus subtilis]]'', ''[[Escherichia coli]]'', ''[[Klebsiella pneumoniae]]'', ''[[Pseudomonas aeruginosa]]'', ''[[Salmonella typhimurium]]'', and ''[[Streptococcus pyogenes]]'', as well as the fungi ''[[Candida albicans]]'', ''[[Rhodotorula rubra]]'', and ''[[Kluyveromyces fragilis]]''.<ref>{{cite journal |doi=10.1016/j.fitote.2005.02.004 |author=Dulger B.|title=Antimicrobial activity of ten Lycoperdaceae |journal=Fitoterapia |volume=76 |issue=3–4 |pages=352–54 |year=2005 |pmid=15890468 |
[[Methanol]] [[extract]]s of ''G. fornicatum'' were shown to be inhibitory to the growth of various [[bacteria]] that are [[pathogen]]ic to humans, including ''[[Bacillus subtilis]]'', ''[[Escherichia coli]]'', ''[[Klebsiella pneumoniae]]'', ''[[Pseudomonas aeruginosa]]'', ''[[Salmonella typhimurium]]'', and ''[[Streptococcus pyogenes]]'', as well as the fungi ''[[Candida albicans]]'', ''[[Rhodotorula rubra]]'', and ''[[Kluyveromyces fragilis]]''.<ref>{{cite journal |unused_data=year2005 |doi=10.1016/j.fitote.2005.02.004 |author=Dulger B.|title=Antimicrobial activity of ten Lycoperdaceae |journal=Fitoterapia |volume=76 |issue=3–4 |pages=352–54 |year=2005 |pmid=15890468}}</ref> |
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==References== |
==References== |
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Revision as of 21:02, 21 October 2011
| Geastrum fornicatum | |
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| Species: | G. fornicatum
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G. fenestratum (Batsch) Lloyd | |
Geastrum fornicatum, commonly known as the acrobatic earthstar or the arched earthstar, is an inedible species of mushroom in the family Geastraceae. Like other earthstar mushrooms, the thick outer skin splits open at maturity to expose the spore sac to the elements; the specific epithet fornicatum (Latin for 'arched' or 'vaulted'[1]) refers to the arched shape of the rays which extend downwards to rest on the mycelial sac and elevate the spore sac.
History
When first described in the late 17th century, the species was called Fungus anthropomorphus due to its resemblance to the human figure.[2] In his 1799 treatise Colored Figures of English Fungi or Mushrooms, English naturalist James Sowerby wrote:
So strange a vegetable has surprised many; and in the year 1695 it was published under the name of Fungus Anthropomorphus, and figured with human faces on the head. It is at first roundish; in ripening the head bursts through the two coats or wrappers; the inner wrapper, detaching itself from the outer, becomes inverted, connected only by the edges; the coats most constantly split into four parts.[3]
Description
The immature fruit body is roughly spherical in shape, typically 1.5–2.5 cm (0.6–1.0 in) in diameter, and dark brown in color. At maturity, the exoperidium (outer layer) splits into four to five rays which curve backwards so as to elevate the fruit body and raise the spore sac for optimal spore dispersal; the tips of the rays remain attached to a basal cup.[4] The spore sac contains an ostiole, a small opening near the apex. The mature fruiting body may be up to 6 cm (2.4 in) in diameter and 8 cm (3.1 in) tall. The exoperidium is attached to the soil by rhizomorphs. Spores are spherical, warted, thick-walled, nonamyloid and 5–6 µm.[5] In mass, the spores have a dark-brown color.
This species is found singly or in small groups under bushes and in deciduous woods.[6]
Antimicrobial activity
Methanol extracts of G. fornicatum were shown to be inhibitory to the growth of various bacteria that are pathogenic to humans, including Bacillus subtilis, Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Salmonella typhimurium, and Streptococcus pyogenes, as well as the fungi Candida albicans, Rhodotorula rubra, and Kluyveromyces fragilis.[7]
References
- ^ "Latin Word Definition and Information for: fornicatus, fornicata, fornicatum -- LATdict Latin Dictionary & Resources". Retrieved 2009-01-10.
- ^ "waynesword.palomar.edu". Retrieved 2009-01-02.
- ^ Coloured Figures of English Fungi Or ... — Google Book Search. Retrieved 2009-01-02.
- ^ Miller HR, Miller OK. (1988). Gasteromycetes: Morphological and Developmental Features, with Keys to the Orders, Families, and Genera. Eureka, Calif: Mad River Press. ISBN 0-916422-74-7.
- ^ Miller HR, Miller OK. (2006). North American Mushrooms: a Field Guide to Edible and Inedible Fungi. Guilford, Conn: Falcon Guide. p. 446. ISBN 0-7627-3109-5. Retrieved 2009-12-20.
- ^ Ellis JB, Ellis MB. (1990). Fungi without Gills (Hymenomycetes and Gasteromycetes): an Identification Handbook. London: Chapman and Hall. p. 228. ISBN 0-412-36970-2. Retrieved 2009-12-20.
- ^ Dulger B. (2005). "Antimicrobial activity of ten Lycoperdaceae". Fitoterapia. 76 (3–4): 352–54. doi:10.1016/j.fitote.2005.02.004. PMID 15890468.
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