Species details

Blackening waxcap

Hygrocybe conica

Poisonous
Blackening waxcap – Hygrocybe conica

Photo: Enrico Tomschke · CC BY 4.0 · Photo source · License

Description

A bright yellow to orange-red waxcap with a sharply conical cap that blackens strongly with age or damage.

Identification features

The cap is conical, smooth, and often shiny. Gills are yellowish, broad, and spaced. The stem is yellow to orange, hollow, and fibrous; cap, gills, and stem blacken when damaged or old.

Identification checklist

Key features are the sharply conical cap and strong blackening of all parts. Also check the white spore print, spaced gills, and grassland habitat.

Detailed features

Cap
The cap is conical, smooth, and often shiny.
Hymenophore
Gills are yellowish, broad, and spaced.
Stem
The stem is yellow to orange, hollow, and fibrous; cap, gills, and stem blacken when damaged or old.
Flesh
Yellowish, thin and brittle; blackening with age or damage.
Smell
No distinctive smell.
Spore print
White.

Size

Cap diameter
3–5 cm
Stem height
5–10 cm
Stem diameter
0,5–0,8 cm

Habitat

In meadows, pastures, lawns, and other nutrient-poor grassland, often among moss, mainly in late summer and autumn.

Fruiting period

August, September, October

Ecology

Trophic mode
Saprotrophic
Substrate
Grassland, Moss
Notes
In meadows, pastures, lawns, and other nutrient-poor grassland, often among moss, mainly in late summer and autumn.

How to separate similar species

Other red and yellow waxcaps can look similar, but some do not blacken. Identification from a photo of a young undamaged specimen may be unreliable.

Similar species

Interesting facts

Did you know? Blackening of cap, gills and stem with age or damage is one of its most distinctive characters.

Extended-description sources