Phlebopus

Phlebopus is a genus of fungi in the family Boletinellaceae (suborder Sclerodermatineae of the Boletales order).[2] The genus has a widespread distribution in subtropical and pantropical regions, and contains 12 species. The species are saprobic, with some possibly able to form mycorrhizae with exotic trees in certain conditions.[3] It contains the gigantic Phlebopus marginatus, the cap of which can reach 1 m (3.3 ft) in diameter.[4]

Phlebopus
Phlebopus portentosus
Scientific classification
Kingdom:
Fungi
Division:
Basidiomycota
Class:
Agaricomycetes
Order:
Boletales
Family:
Boletinellaceae
Genus:
Phlebopus

(R.Heim) Singer (1936)
Type species
Phlebopus colossus
(R.Heim) Singer (1936)
Species

12, see text

Synonyms[1]

Boletus subgen. Phlebopus R.Heim (1936)
Phaeogyroporus Singer (1944)

Taxonomy

The genus was originally described as a subgenus of Boletus by Roger Heim in 1936,[5] and raised to generic status by Rolf Singer that year.[6] It was later redescribed with another type species (Phaeogyroporus braunii) under the name Phaeogyroporus by Rolf Singer in 1944.[7] This name was used until 1981, when a specimen of Phlebopus colossus was collected and mycologist Paul Heinemann designated it as the lectotype.[8]

The genus name is derived from the Greek Φλεβο- "vein" and πους "foot".[9]

Description

Phlebopus is similar in appearance to species in the genus Gyrodon, but distinguished by its olive-brown to brown spore print, its stem which is never hollow, and its smooth spores which are brownish when viewed with a light microscope.[8]

Importance

Phlebopus tropicus has been shown to form a crust of mycelium around the roots of species of Citrus in Brazil covering colonies of the comstock mealybug Pseudococcus comstocki which attack the roots of these plants after they have been carried there by ants (Solenopsis saevissima var. moelleri); these mycelial crusts are called criptas by Brazilian writers. The Pseudococcus living in symbiosis with the fungus is believed to be the immediate reason for the subsequent death of the affected trees, but the action of an endotrophic mycorrhizal fungus weakens the plant before the attack of the Pseudococcus takes place.[8]

Phlebopus portentosus is a popular edible in the cuisine of northern Thailand.[10] P. bruchii is consumed as an edible in Argentina.[11]

Species
  • Phlebopus beniensis
  • Phlebopus brasiliensis
  • Phlebopus braunii
  • Phlebopus bruchii
  • Phlebopus colossus
  • Phlebopus cystidiosus
  • Phlebopus harleyi
  • Phlebopus latiporus
  • Phlebopus marginatus
  • Phlebopus portentosus
  • Phlebopus silvaticus
  • Phlebopus spongiosus[12]
  • Phlebopus tropicus
  • Phlebopus viperinus
  • Phlebopus xanthopus
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References
  1. "Phlebopus (R. Heim) Singer 1936". MycoBank. International Mycological Association. Retrieved 2012-03-28.
  2. Binder M, Hibbett DS (2006). "Molecular systematics and biological diversification of Boletales". Mycologia. 98 (6): 971–81. doi:10.3852/mycologia.98.6.971. PMID 17486973.
  3. Kirk PM, Cannon PF, Minter DW, Stalpers JA (2008). Dictionary of the Fungi (10th ed.). Wallingford, UK: CAB International. p. 522. ISBN 978-0-85199-826-8.
  4. Heinemann P, Rammeloo J (1982). "-Observations sur le genre Phlebopus (Boletineae)" [Observations on the genus Phlebopus (Boletineae)]. Mycotaxon (in French). 15 (1): 384–404. Retrieved 2010-05-18.
  5. Heim R. (1936). "Observations sur la flore mycologique malgache. III, Trois bolets gigantesque d'Afrique et de Madagascar" [Observations on the mycological flora of Madagascar. III,. Three gigantic boletes of Africa and Madagascar]. Revue de Mycologie (in French). 1: 3–18.
  6. Singer R. (1936). "Das System der Agaricales". Annales Mycologici (in German). 34 (4/5): 286–378.
  7. Singer R. (1944). "New genera of fungi. I". Mycologia. 36 (4): 358–68. doi:10.2307/3754752. JSTOR 3754752.
  8. Singer R. (1986). The Agaricales in Modern Taxonomy (4th ed.). Koenigstein: Koeltz Scientific Books. pp. 744–46. ISBN 3-87429-254-1.
  9. Liddell, Henry George & Robert Scott (1980). A Greek-English Lexicon (Abridged Edition). United Kingdom: Oxford University Press. ISBN 0-19-910207-4.
  10. Sanmee R, Lumyong P, Dell B, Lumyong S (2010). "In vitro cultivation and fruit body formation of the black bolete, Phlebopus portentosus, a popular edible ectomycorrhizal fungus in Thailand". Mycoscience. 51 (1): 15–22. doi:10.1007/s10267-009-0010-6.
  11. Deschamps J, Moreno G (1999). "Phlebopus bruchii (Boletales): An edible fungus from Argentina with possible commercial value". Mycotaxon. 72: 205–13. Retrieved 2010-05-18.
  12. Pham NDH, Takahashi H, Fukiharu T, Shimizu K, Le BD, Suzuki A (2012). "Phlebopus spongiosus sp. nov. (Boletales, Boletinellaceae) with a sponge-like tissue". Mycotaxon. 119: 27–34. doi:10.5248/119.27.
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