Cortinarius armillatus (A. & S. : Fr.) Fr. + Betula

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Literature

references
  Cuvelier J-J (1990) Caracterisation des ectomycorhizes de Betula pendula (I): Cortinarius armillatus, Dermocybe phoenicea et Amanita muscaria. Belg J Bot 123: 73-91.
Cuvelier J-J, Agerer R (1991) Cortinarius armillatus. In Agerer R (ed) Colour Atlas of Ectomycorrhizae, plate 52, Einhorn-Verlag, Schwäbisch Gmünd.

Morphology

Morphology of the mycorrhizal system
ramification presence-type
  monopodial-pinnate
or    irregularly pinnate, dichotomous-like
ramification orders
0     Lower value of unspecified range (could be µ-s.d., but not known)
2     Upper value of unspecified range (could be µ+s.d., but not known)
main axis diameter
0.3 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.48 mm    Upper value of unspecified range (could be µ+s.d., but not known)
rhizomorphs as stout, short, conical structures presence-abundance
  absent
rhizomorphs as short mycorrhiza-like outgrowths with blunt tips presence
  absent
rhizomorphs presence
  present
rhizomorphs frequency
  abundant
exploration type
  medium distance fringe
Morphology of the unramified ends
shape
  bent
or    sinuous
shape {of distal end}
  not inflated, cylindric
colour
  lilac, light reddish blue
or    white
very tip colour
  brown
or    orange
mantle cortical cells visibility
  not visible
mantle {distinct} surface visibility
  present
mantle transparency
  not transparent
mantle laticifers visibility
  absent
mantle dots presence-colour
  absent
mantle carbonizing presence
  absent
mantle surface {in general} habit
  silvery
or    not smooth
mantle surface {in detail} kind
  densely woolly
or    densely stringy
Morphology of rhizomorphs
diameter
0.06 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.3 mm    Upper value of unspecified range (could be µ+s.d., but not known)
0.64 mm    Maximum value
cross-section shape
  round or roundish
colour
  white
ramification kind-frequency
  frequently, at restricted points
connection to mantle kind
  oblique
origin location
  not specific
Morphology of sclerotia
presence
  absent

Anatomy

Anatomical features of the entire mycorrhiza
emanating elements presence-type
  rhizomorphs
blue granules presence
  absent
Anatomy of laticifers
presence
  absent
Anatomical features of the mantle
Anatomy of the outer mantle layer apart from the ectormycorrhizal tip
organisation
  plectenchymatous
mantle type
  hyphae rather irregularly arranged and no special pattern discernible (type B)
hyphal system kind
  undifferentiated
cell shape
  cylindric, constricted at septa
cell diameter
2.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
6 µm    Maximum value
cell wall thickness
0.2 µm    Mean (= average)
cell wall surface habit
  smooth
drops of exuded pigment presence
  absent
Anatomy of the middle mantle layer
organisation
  plectenchymatous
hyphae arrangement
  plectenchymatous, ring-like
cell wall thickness
0.2 µm    Mean (= average)
cell wall surface habit
  smooth
Anatomy of the inner mantle layer
organisation
  plectenchymatous with pseudoparenchymatous nests of cells
cell diameter
2.5 µm    Minimum value
3 µm    Lower value of unspecified range (could be µ-s.d., but not known)
5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
6.5 µm    Maximum value
Anatomy of the mantle in longitudinal section
mantle thickness {apart from tip}
6 µm    Minimum value
14.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
39 µm    Upper value of unspecified range (could be µ+s.d., but not known)
62 µm    Maximum value
inner mantle layer hyphae radially diameter
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
6 µm    Maximum value
unlayered mantle hyphae radially diameter
1 µm    Minimum value
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
4 µm    Upper value of unspecified range (could be µ+s.d., but not known)
5 µm    Maximum value

Anatomy of the tannin cells in longitudinal section
presence
  absent

Anatomy of the cortical cells in longitudinal section
anatomy mantle longitudinal section cortical (epidermal) cells shape
  radially-oval to -elliptic, oriented obliquely
anatomy mantle longitudinal section cortical (epidermal) cells tangentially length
10.5 µm    Minimum value
14.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
20.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
38 µm    Maximum value
anatomy mantle longitudinal section cortical (epidermal) cells radially diameter
22.5 µm    Minimum value
33 µm    Lower value of unspecified range (could be µ-s.d., but not known)
41 µm    Upper value of unspecified range (could be µ+s.d., but not known)
51.5 µm    Maximum value

Anatomy of the Hartig net in longitudinal section
presence
  present
kind
  in two rows, not reaching endodermis
anatomy mantle longitudinal section hyphal cells around cortical cells (epidermal) thickness
1 µm    Minimum value
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
8 µm    Maximum value
Anatomy of the mantle in cross-section
outer mantle layer hyphae tangentially length
1.5 µm    Minimum value
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
4 µm    Upper value of unspecified range (could be µ+s.d., but not known)
8 µm    Maximum value
inner mantle layer hyphae radially diameter
1.5 µm    Minimum value
3 µm    Lower value of unspecified range (could be µ-s.d., but not known)
5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
10.5 µm    Maximum value

Anatomy of the tannin cells in cross-section
presence
  absent

Anatomy of the cortical cells in cross-section
anatomy mantle cross-section cortical (epidermal) cells tangentially length
8.5 µm    Minimum value
10.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
13.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
19.5 µm    Maximum value
anatomy mantle cross-section cortical (epidermal) cells radially diameter
18.5 µm    Minimum value
22.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
31 µm    Upper value of unspecified range (could be µ+s.d., but not known)
41 µm    Maximum value

Anatomy of the Hartig net in cross-section
presence
  present
kind
  apparently two rows deep
anatomy mantle cross-section hyphal cells around cortical (epidermal) cells thickness
1 µm    Minimum value
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
8 µm    Maximum value
Anatomy of the emanating elements in general
backwards-oriented ramifications presence
  present
anastomoses type
  open, with a short bridge or bridge almost lacking
anastomoses cell wall thickness {relative to remaining cell walls}
  as thick as
anastomoses anastomosal bridge thickness {relative to hyphae}
  as thick as
Anatomy of cystidia


Anatomy of emanating hyphae
drops of exuded pigment presence
  absent

Anatomy of the ramification of emanating hyphae
distance {from septum}
  adjacent to septum

Anatomy of the septa of emanating hyphae
clamps presence
  present

Anatomy of secondary septa of emanating hyphae
presence
  absent
or    present
abundance
  infrequent
distribution
  not specified

Anatomy of the cells of emanating hyphae
anatomy emanating elements emanating hyphae cell wall surface habit
  smooth
or    without lens-shaped appositions
or    without spindle-shaped appositions


Anatomy of rhizomorphs
type
  undifferentiated; hyphae rather loosely woven and of uniform diameter
(type A)
a "ball" of intertwined, ramified, thin hyphae presence
  absent

Anatomy of hyphae in rhizomorphs
Anatomy of chlamydospores
presence
  absent

Ecology

geographic occurrence continent
  Europe
knowledge about association with foreign fruitbodies presence
  unknown

Tree

plant family
  Betulaceae
plant genus
  Betula
plant habitat kind
  forests, woods

Fungus

family
  Cortinariaceae
subgenus-section
  Cortinarius subg. Telamonia
fruitbodies growth habit
  epigeous
or    pileate-lamellate

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