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Russula rosea, commonly known as the Rosy Russula or Pink Brittlegill, is a striking and robust mushroom belonging to the Russulaceae family. It is characterized by its vibrant rose-red to carmine-red cap, which often fades with age, and its firm, white flesh. Unlike many other Russula species, R. rosea is notable for its mild taste, which is unusual for a red-capped Russula, as many are acrid or peppery. It is a mycorrhizal fungus, forming symbiotic relationships with various deciduous and coniferous trees.
How to Identify
- Cap
- The cap of Russula rosea ranges from 5 to 12 cm in diameter, initially convex, becoming broadly convex to flat, often with a depressed center in maturity. The color is typically a vibrant rose-red, carmine-red, or blood-red, sometimes fading to pinkish or yellowish-red with age or exposure. The cuticle (skin) is usually dry, matte, and often finely velvety or granular, especially when young. It is only partially peelable, typically less than halfway to the center.
- Gills
- The gills are adnate to adnexed, sometimes nearly free, and closely spaced. They are white to cream-colored, becoming slightly yellowish with age. They are brittle, a characteristic feature of the Russula genus.
- Stem
- The stem is 4 to 10 cm long and 1 to 3 cm thick, cylindrical or slightly club-shaped, and solid. It is typically white, often with a pinkish or reddish flush, especially towards the base or where exposed to light. The surface is smooth or finely pruinose (powdery).
- Flesh
- The flesh is firm, thick, and white, remaining white when cut or bruised. It has a mild, pleasant taste and a faint, indistinct odor, sometimes described as fruity or slightly geranium-like.
- Fruiting body
- The fruiting body is typically robust and fleshy, with a distinct cap, gills, and stem.
- Habitat
- Russula rosea is a mycorrhizal fungus, forming associations with both deciduous and coniferous trees. It is commonly found in mixed woodlands, beech forests, and conifer plantations, often growing on the ground among leaf litter or moss.
Key Facts
- Cap surfaces: Dry, matte, finely velvety or granular.
- Growth Form: Solitary to scattered.
- Spore Print: White.
- Body color: Cap rose-red to carmine-red; gills and stem white, stem sometimes with pink flush.
- Odor: Faint, indistinct.
- Flesh bruises: Does not bruise or stain significantly.
- Height: 4-10 cm
- Cap Diameter: 5-12 cm
- Nutrient gathering: Mycorrhizal
Safe
SafeRussula rosea is generally considered edible, but it is not highly regarded for its culinary qualities due to its firm, somewhat tough texture and mild flavor. It is not toxic, but caution is advised due to potential confusion with other acrid or mildly toxic red-capped Russula species. Always ensure positive identification before consumption. Cooking is essential.
Quick Check
- Odor: Faint, indistinct, sometimes fruity or geranium-like.
- Fruiting: Late summer to autumn (July-October).
- Substrate: Terrestrial, on soil in woodlands, mycorrhizal with deciduous and coniferous trees.
Where to Find
Europe
Widespread across temperate regions of Europe, particularly common in the UK, France, Germany, and Scandinavia.
North America
Reported in various regions of North America, though less common than in Europe. Often found in eastern North America.
Asia
Occasional reports from parts of Asia, particularly in regions with similar forest types.
Finding Tips
Seasonality
Fruiting bodies typically appear from late summer to autumn, usually from July to October, depending on local climate and rainfall.
Habitat Preference
Look for it in mature woodlands, especially under beech (Fagus) and oak (Quercus) trees, but also with conifers like spruce (Picea) and pine (Pinus). It prefers well-drained, often calcareous soils.
Identification Key
The combination of a vibrant rose-red, velvety cap, white gills, white stem with a possible pink flush, and a mild taste is key. Always perform a taste test (spit out after tasting) to confirm the mildness, as many red Russulas are acrid.
Similar Species
Russula emetica
mushroom
Also known as: The Sickener
Russula sanguinaria
mushroom
Also known as: Bloody Brittlegill
Russula rubra
mushroom
Also known as: Red Russula
Scientific Classification
- Phylum
- Basidiomycota
- Class
- Agaricomycetes
- Order
- Russulales
- Family
- Russulaceae
- Genus
- Russula
Storage Information
- Max Temperature: 4°C
- Freezing duration: 6 months
- Min Temperature: 1°C
- Refrigeration: 5 days
How to Clean
Gently brush off any dirt or debris with a soft brush or damp cloth. Avoid washing under running water, as mushrooms can absorb excess moisture. Trim off any damaged or insect-infested parts.
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