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Lignosus rhinocerus

Lignosus rhinocerus
Lignosus rhinocerus.jpg
Scientific classification
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Polyporales
Family: Polyporaceae
Genus: Lignosus
Species: L. rhinocerus
Binomial name
Lignosus rhinocerus
(Cooke) Ryvarden (1972)
Synonyms
  • Polyporus rhinocerus Cooke (1879)
  • Fomes rhinocerus (Cooke) Sacc. (1888)
  • Scindalma rhinocerus (Cooke) Kuntze (1898)
  • Polyporus sacer var. rhinocerus (Cooke) Lloyd (1920)
  • Polystictus rhinocerus (Cooke) Boedijn (1940)
  • Microporus rhinocerus (Cooke) Imazeki (1952)

Lignosus rhinocerus, commonly known as tiger milk mushroom, belongs to family Polyporaceae in the division Basidiomycota. Tiger milk mushroom is regarded as a medicinal mushroom with the ability to cure numerous ailments. This fungus is geographically distributed only in tropical rainforests in the region of South China, Thailand, Malaysia, Indonesia, Philippines and Papua New Guinea.

In Malaysia, the tiger milk mushroom is more often known as "Cendawan Susu Rimau" and is hailed as Malaysia’s national treasure. It has been used traditionally as a health tonic. According to folklore, the name is based on a story in which the relatively uncommon fungus grows on the spot where a tigress drips her milk while feeding her cubs.

The tiger milk mushroom was first reported in 1664 when a European government agent was given this product upon sailing to the South East Asian Region. According to The Diary of John Evelyn (Publication dated 22 June 1664), this mushroom was named ‘Lac tygridis’, meaning "tiger’s milk". In his publication, Evelyn also recorded that this fungus was used by the local people to treat diseases for which European doctors found no cure. In 1890, Sir Henry Nicholas Ridley, the father of Malaya’s rubber industry, recorded that this fungus was an important medicinal mushroom used by local communities. He even attempted to cultivate it but failed. In the same year, this fungus was scientifically documented by Mordecai Cubitt Cooke who named it as Fomes rhinocerotis based on a specimen found in Penang. Today, it is known by the scientific name Lignosus rhinocerus.

Lignosus rhinocerus has a centrally stipulate pileus–that is, a mushroom cap growing at the end of a stipe (stem) arising from a district buried tuber or sclerotium. Unlike most other type of mushrooms, this fungus has unique growth habit in that their growth is solitary, and can find only one fruit body at time. This species classified as precious and rare because of its uniqueness of the growth habit where distance between one fruit body to another is not less than 5 km.


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