Chalciporus rubinellus (Peck) Singer
Chalciporus rubinellus: https://marylandbiodiversity.com/species/21435
Synonyms
Boletus rubinellus 
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Source: Wikipedia

Chalciporus rubinellus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Boletales
Family: Boletaceae
Genus: Chalciporus
Species:
C. rubinellus
Binomial name
Chalciporus rubinellus
(Peck) Singer
Synonyms[1]
  • Boletus pseudorubinellus Peck (1879)
  • Suillus rubinellus (Peck) Singer (1945)
  • Tubiporus rubinellus (Peck) S. Imai (1968)
Chalciporus rubinellus
View the Mycomorphbox template that generates the following list
Pores on hymenium
Cap is convex or conical
Hymenium is adnate
Stipe is bare
Spore print is brown
Ecology is mycorrhizal
Edibility is not recommended

Chalciporus rubinellus, commonly known as the purple-red bolete, is a bolete fungus of the family Boletaceae. It was first described in 1879 as Boletus rubinellus, and later transferred to the genus Chalciporus in 1973.[1]

Description

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Its cap is 1.5-5 cm wide and varies in texture from smooth to tufted-hairy, to slimy when wet. It is conical and purple-red when young, becoming yellow-tinted or reddish brown and convex and cracked with age. Its flesh is bright yellow and does not bruise. KOH stains the cap amber to reddish-brown, while ammonia causes the cap to turn blood red and then change to dark orange. [2] It has white basal mycelium.

Its pores are 1.5 mm wide, and initially bright red, becoming lighter with age, while its tubes are 6-10 mm deep and become yellowish with age. The dimensions of the stipe are 1-6 cm long, and 3-10 mm thick, and it has thread-like texture its colour is similar to the cap. [3]

Its spores are smooth and spindle-shaped, measuring 12-15 μm, and its spore print is brown. It has scattered pleurocystidia that are 34-62 x 7-12 μm.

Ecology

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Chalciporus rubinellus can grow solitary or in clusters around the trees it has mycorrhizal relationships with, usually conifers like spruce, hemlock and white pine. It grows from July to September.

Uses

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Eating Chalciporus rubinellus is not recommended, and its odour and taste are not distinctive. [3] It can be used to dye protein-based fabric brown. [4]

Similar species

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Genetically it is closely related to Chalciporus amarellus.[5]Chalciporus rubinellus can be distinguished from Chalciporus piperatus and Chalciporous piperatoides by its mycelium, being white without a yellow tint and mild rather than peppery flavour.[2]

See also

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References

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  1. ^ a b "Chalciporus rubinellus (Peck) Singer". MycoBank. International Mycological Association. Retrieved 29 April 2016.
  2. ^ a b Labbé, Robert (March 2023). "Chalciporus rubinellus". MycoQuebec. Retrieved 2024-02-01.
  3. ^ a b Baroni, Timothy J. (2017). Mushrooms of the Northeastern United States and Eastern Canada. Portland, Oregon: Timber Press. p. 382. ISBN 978-1604696349.
  4. ^ "Mushrooms to Dye For". North American Mycological Association. Retrieved 2024-02-01.
  5. ^ Zhang M, Wang CQ, Li TH, Song B (1 September 2015). "A new species of Chalciporus (Boletaceae, Boletales) with strongly radially arranged pores". Mycoscience. 57: 20–25. doi:10.1016/j.myc.2015.07.004.
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