Biology:Russula subnigricans
| Russula subnigricans | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Russulales |
| Family: | Russulaceae |
| Genus: | Russula |
| Species: | R. subnigricans
|
| Binomial name | |
| Russula subnigricans Hongo (1955)[1]
| |
| Russula subnigricans | |
|---|---|
 | |
 | gills on hymenium |
 | cap is convex |
 | hymenium is free |
 | stipe is bare |
 | spore print is white |
 | ecology is mycorrhizal |
 | edibility: poisonous |
Russula subnigricans, known as the rank russula,[2] or Nise-Kurohatsu (Japanese), meaning "false blackening russula" is a basidiomycete mushroom of the genus Russula found in East Asia.
Description
The flesh turns pale red when cut, but doesn't turn black unlike Russula nigricans.[1]
The species was named by Japanese mycologist Tsuguo Hongo in 1955.[1]
The name was formerly applied to the North American fungus Russula eccentrica in California .[3] It has been reclassified as Russula cantharellicola, where it grows in association with coast live oak (Quercus agrifolia) trees in California oak woodland habitats.[4]
Toxicity
Russula subnigricans is a poisonous mushroom, and has been responsible for mushroom poisoning in Taiwan and Japan. The effect is a serious one, rhabdomyolysis.
The toxins responsible are the very unusual cycloprop-2-ene carboxylic acid (a toxic molecule consisting of only 10 atoms) and Russuphelin A (a heavily chlorinated polyphenolic).[5] [6]
See also
- List of deadly fungi
- List of Russula species
References
- ↑ 1.0 1.1 1.2 Tsuguo Hongo (1955) Notes Japanese Larger Fungi(6). The Journal of Japanese Botany（植物研究雑誌）30(3), p.73-76.doi:10.51033/jjapbot.30_3_3843
- ↑ Arora, David (1986). Mushrooms demystified: a comprehensive guide to the fleshy fungi (Second ed.). Berkeley: Ten Speed Press. ISBN 978-0-89815-169-5.
- ↑ "California Fungi:Russula eccentrica". The Fungi of California website. Mykoweb. 2007. Archived from the original on 2008-05-10. https://web.archive.org/web/20080510145729/http://www.mykoweb.com/CAF/species/Russula_eccentrica.html. Retrieved 2008-02-12.
- ↑ Openjournals.wsu.edu: "A new species of Russula, subgenus Compactae from California" (2014).
- ↑ Editorial, Reuters. "Experts identify toxic compound in deadly mushroom". http://uk.reuters.com/article/scienceNews/idUKTRE54N1HI20090524.
- ↑ "Russuphelin A, a new cytotoxic substance from the mushroom Russula subnigricans Hongo.". Chem Pharm Bull 40 (12): 3185–88. 1992. doi:10.1248/cpb.40.3185. PMID 1294320.
External links
Wikidata ☰ Q7382388 entry
 |  |
