Russula aurea
| Russula aurea | |
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R. aurea
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| Russula aurea Pers. (1796)
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Russula esculenta Pers. (1796) |
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| Russula aurea | |
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gills on hymenium |
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cap is convex or depressed |
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hymenium is free or adnexed |
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stipe is bare |
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spore print is white to cream |
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ecology is mycorrhizal |
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edibility: edible |
Russula aurea, commonly known as the gilded brittlegill, is an uncommon species of mushroom found in deciduous woodland in Europe in summer and early autumn. Unlike many red-capped members of the genus, it is edible and mild-tasting.
Contents
Taxonomy
It was known for many years as Russula aurata originally published in 1801 as Agaricus auratus by the English naturalist William Withering, and placed by the father of mycology Elias Magnus Fries into the genus Russula in 1838. However, the binomial name Russula aurea had been coined by Christian Hendrik Persoon in 1796[1] and takes precedence. Both specific epithets are derived from the Latin aurum "gold", hence "golden".[2]
Description
The cap is 4–9 cm (1.6–3.6 in) wide and a blood- or orange-red in colour with ridged margins. Sticky when wet, it is initially convex, then later flat, or depressed; it is able to be peeled half-way. The widely spaced gills are ochre with yellow edges, and adnexed or free. The stipe is up to 3–8 cm (1.4–3.2 in) long and 1–2.5 cm (0.4–1 in) wide, cylindrical and white or cream to golden-yellow. The brittle flesh is yellow and the taste mild. The spore print is ochre, the warty spores are oval or round and measure 7.5–9 × 6–8 μm.[3]
Similar species
The overall yellow tone of Russula aurea distinguishes it from the peppery and inedible red-capped Russulas, such as the bloody brittlegill (R. sanguinaria), the sickener (R. emetica), and the beechwood sickener (R. nobilis).[4]
Distribution and habitat
Russula aurea is found in Europe and is uncommon in Britain. It has been recorded as far east as the Black Sea region of eastern Turkey.[5][6]
It occurs under deciduous trees in summer and early autumn, in particular beech, oak and hazel.[3][4]
Edibility
Unlike many other red-capped members of the genus, Russula aurea is mild-tasting and edible.[4]
See also
References
- ↑ Persoon, Observationes mycologicae, Seu descriptiones tam novorum, quam notabilium fungorum (1796) vol. I:101 .
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External links
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Wikimedia Commons has media related to Lua error in package.lua at line 80: module 'strict' not found.. |
- Russula aurea in Index Fungorum
- Roger's Mushrooms description
