Ringless butter mushroom

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Ringless butter mushroom
Ringless butter mushroom Suillus collinitus.jpg

Ringless butter mushroom ( Suillus collinitus )

Systematics
Subclass : Agaricomycetidae
Order : Boletales (Boletales)
Subordination : Suillineae
Family : Dribble relatives (Suillaceae)
Genre : Smeared boletus ( Suillus )
Type : Ringless butter mushroom
Scientific name
Suillus collinitus
( Fr ) Kuntze

The ringless butter mushroom or ringless butter bolet or pink-footed granule bolet ( Suillus collinitus , syn. Suillus fluryi ) is an edible mushroom from the family of smeared boletus relatives . It is often found under pine trees, with which it forms mycorrhiza .

features

Macroscopic features

The hat of the ringless butter mushroom is about 3–10 cm wide, light to dark brown with a few yellow tones and with ingrown radial fibers. In young mushrooms it is arched, later flattened, the edge is smooth, sometimes bent in a wavy manner. He is one for the Suillus typical, sticky and coated greasy skin that gets a slimy film in damp weather. The edge of the hat is initially rolled up and, with older mushrooms, is sharp. The pores of the mushroom are rounded to angular and are initially pale yellow, later olive yellow. The stalk is 4-7 cm long and up to 2 cm wide, yellowish and when young, covered with clear to amber- yellowish guttation droplets, which remain as reddish-brown glandular points when dried. The base of the stalk and the mycelial felt are colored pink. He doesn't own a ring . The flesh is yellow and has a soft, tough and elastic consistency. It turns salmon-pink with potassium hydroxide and gray rather than greenish with iron sulfate. The spore powder is light brown.

Microscopic features

The spores are elliptical to apple core-shaped, yellowish, with drops and have a size of 7.5-10 × 3.2-5 micrometers.

Species delimitation

The ringless butter mushroom is similar to the Rönchenröhrling ( Suillus granulatus ). This has a lighter orange-brown and smooth (not ingrown radial fibrous cap) and milky white guttation droplets.

The butter mushroom ( S. luteus ) also grows under pines, but has a whitish ring ( velum ) on the stem. The Sandröhrling ( S. variegatus ) has a grainier and feltier hat skin, which only takes on a slimy consistency in damp weather. In the Mediterranean area, it can also be confused with the Mediterranean granite boletus ( S. mediterraneensis ).

All similar species also differ in the lack of pink tones at the base of the stem.

ecology

The ringless butter mushroom forms mycorrhiza with pine trees and is also used for reforestation in Mediterranean areas. It rarely grows in forests, but mostly only on their edges. It occurs mainly in pine forests and oak bushes. Most often it grows in the transition area between pine forests or pine forests and juniper heaths, sometimes also in park-like locations and on meadows and pastures. The ringless butter mushroom is found in Central Europe on calcareous soils. The fruiting bodies appear in Central Europe from seldom in summer, rather later in the year (September to October) until the first frosts.

distribution

It is unclear whether the ringless butter mushroom occurs in North Africa, it could also be confused there with the Mediterranean granite boletus. At least in the Spanish Mediterranean area and Malta it occurs very frequently and is often the dominant large mushroom species in Aleppo pine stands . The species is found in all of Europe north to central Sweden and east to Slovakia. In Germany it is mainly found in the south, but is largely absent north of the 52nd parallel.

meaning

The ringless butter mushroom is edible, but the taste is only moderate; older specimens are often eaten by pests and have soft, tough flesh.

swell

literature

Individual evidence

  1. Achim Bollmann, Andreas Gminder , Peter Reil: List of illustrations of large European mushrooms . In: Yearbook of the Black Forest mushroom teaching show . 4th edition. Volume 2. Schwarzwälder Pilzlehrschau, 2007, ISSN  0932-920X (301 pages; directory of the color images of almost all large European mushrooms (> 5 mm) incl. CD with over 600 species descriptions).
  2. a b Eric Strittmatter: The kind Suillus fluryi . In: Mushroom Taxa Database fungiworld.com. January 15, 2008, accessed July 3, 2012 .
  3. Archived copy ( memento of the original of July 24, 2009 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. @1@ 2Template: Webachiv / IABot / www.pilzlexikon.eu
  4. P. Torres, M. Honrubia, MA Morte (1991) In vitro synthesis of ectomycorrhizae between Suillus collinitus (Fr.) O. Kuntze and Rhizopogon roseolus (Corda) Th. M. Ft. with Pinus halepensis Miller, Mycotaxon 41: 437-443
  5. A. Roldán, J. Albaladejo (1994) Effect of mycorrhizal inoculation and soil restoration on the growth of Pinus halepensis seedlings in a semiarid soil, Biol. Fertil. Soils 18: 143-149
  6. A. Rincón, B. Ruiz-Diez, M. Fernandez-Pascual, A. Probanza, JM Pozuelo, MR de Felipe (2006) Afforestation of degraded soils with Pinus halepensis Mill .: effects of inoculation with selected microorganisms and soil amendment on plant growth, rhizospheric microbial activity and ectomycorrhizal formation. Appl Soil Ecol 34: 42-51
  7. Archived copy ( memento of the original from October 9, 2009 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. @1@ 2Template: Webachiv / IABot / www.fungipedia.es
  8. http://www.biodiversidadvirtual.com/hongos/Suillus-collinitus-Fr-Kuntze-img2810.html
  9. http://www.fundacionsierraminera.org/proyectos/jara/PDF/ResumenInventarioProyectoJara.pdf
  10. Archived copy ( memento of the original from November 5, 2011 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. @1@ 2Template: Webachiv / IABot / www.maltawildplants.com
  11. P. Torres, Estudio de las micorrizas de pino carrasco ( Pinus halepensis Miller), Tesis Doctoral, Universidad de Murcia, Murcia, 1992.

Web links

Commons : Ringless Butter Mushroom ( Suillus collinitus )  - Album with pictures, videos and audio files