Mycena blood-leg

Mycena haematopus (Mycena haematopus)

Systematics:

  • Department: Basidiomycota (Basidiomycetes)
  • Subdivision: Agaricomycotina (Agaricomycetes)
  • Class: Agaricomycetes (Agaricomycetes)
  • Subclass: Agaricomycetidae (Agaricomycetes)
  • Order: Agaricales (Agaric or Lamellar)
  • Family: Mycenaceae
  • Genus: Mycena (Mycena)
  • Species: Mycena haematopus (Mycena haematopus)

Synonyms:

  • Blood-leg mycena

  • Agaricus haematopodus
  • Agaricus haematopus

Mycena haematopus (Mycena haematopus)

If you go to the forest not only for mushrooms, but also for blackberries, you may not notice the characteristic feature of this mushroom: it oozes with purple juice, staining your fingers just like blackberry juice.

Mycena blood-leg is one of the few easily identifiable types of mycena: by the release of colored sap. One has only to squeeze the pulp, especially at the base of the leg, or break the leg. There are other types of 'bleeding' mycenae, for example, Mycena sanguinolenta, in which case you should pay attention to the ecology, these mycenae grow in different forests.

Description

Hat: 1-4 centimeters in diameter, oval-bell-shaped when young, becoming wide-conical, wide-bell-shaped or nearly spread with age. The edge is often with a tiny sterile portion that becomes torn with age. The skin of the cap in youth is dry and dusty with a fine powder; with age it becomes bald and sticky. The texture is sometimes finely lined or grooved. The color is dark brownish-red to reddish-brown in the center, lighter towards the edge, often fades with age to a grayish-pink or almost whitish color.

Plates: narrowly accreted, rare, wide. Whitish, becoming grayish, pinkish, pinkish-gray to purple; often turns reddish brown; the edges are colored like the edge of the cap.

Leg: long, thin, 4-8 centimeters long and about 1-2 (up to 4) millimeters thick. Hollow. Smooth or with pale red hairs located more densely towards the base of the peduncle. In the color of the cap and darker towards the base: brownish red to reddish brown or almost purple. Produces a purplish-red 'bloody' sap when pressed or at a fracture.

Flesh: thin, brittle, pale or the color of the cap. The flesh of the cap, just like the leg, secretes 'bloody' juice when damaged.

Smell: does not differ. Taste: indistinguishable or slightly bitter.

Spore powder: White. Spores: Ellipsoidal, amyloid, 7.5 – 9.0 x 4.0 – 5.5 μm.

Ecology

Saprophyte on deciduous wood (it is extremely rare to mention the appearance on coniferous wood). Usually on well-decomposed logs without bark. Grows in dense clusters, but can grow singly or scattered. Causes white wood rot.

Edibility

The mushroom in different sources is ranked either as inedible or as having no nutritional value. Some sources indicate it as edible (conditionally edible), but completely tasteless. No data on toxicity.

Season and distribution

From spring to late autumn (and in winter in warm climates). It is widely distributed in the countries of Eastern and Western Europe, Central Asia, and North America.

Similar species

Bloody mycena (Mycena sanguinolenta) is much smaller in size, secretes a watery red sap and usually grows on the ground in coniferous forests. Mycena rosea (Mycena rosea) does not emit 'bloody' juice. Several sources mention Mycena haematopus var. marginata, there is no detailed information about it yet.

Additional Information

Mycenae blood-legged is often affected by the fungus-parasite Spinellus fusiger.

Photo:

Nature lover
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Hunting, Fishing and Mushrooms: a magazine for hunters and fishers.
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