Dermocybe semisanguinea (Fr.) Mos. + Pinus

– Item listing –

– Enlarged view –

Literature

references
  Agerer R (1995) Anatomical characteristics of identified ectomycorrhizas: an attempt towards a natural classification. In Varma AK, Hock B (eds) Mycorrhiza: Structure, function, molecular biology and biotechnology. Springer, Berlin, Heidelberg, pp. 685-734.
Agerer R, Uhl M (1989) Dermocybe semisanguinea. In Agerer R (ed) Colour Atlas of Ectomycorrhizae, plate 25, Einhorn-Verlag, Schwäbisch Gmünd.
Uhl M (1988) Identifizierung und Charakterisierung von Ektomykorrhizen an Pinus silvestris und von Ektomykorrhizen aus der Gattung Tricholoma. Dissertation, Uni München.

Morphology

Morphology of the mycorrhizal system
length
5 mm    Lower value of unspecified range (could be µ-s.d., but not known)
12 mm    Upper value of unspecified range (could be µ+s.d., but not known)
ramification presence-type
  dichotomous
or    irregularly pinnate, dichotomous-like
abundance
  abundant, dense
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    tortuous
shape {of distal end}
  not inflated, cylindric
length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
4 mm    Upper value of unspecified range (could be µ+s.d., but not known)
diameter
0.35 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.4 mm    Upper value of unspecified range (could be µ+s.d., but not known)
colour
  yellow
or    white
older parts colour
  yellow
or    red
mantle cortical cells visibility
  not visible
mantle transparency
  not transparent
mantle laticifers visibility
  absent
mantle dots presence-colour
  absent
mantle carbonizing presence
  absent
mantle surface {in general} habit
  silvery
mantle surface {in detail} kind
  densely stringy
or    loosely stringy
emanating hyphae presence
  present
emanating hyphae abundance
  abundant
Morphology of rhizomorphs
cross-section shape
  round or roundish
or    flat
colour
  concolourous to mantle
or    yellow
ramification kind-frequency
  repeatedly into smaller filaments
connection to mantle kind
  oblique
origin location
  not specific
margin habit
  hairy
dimorphism presence
  present
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 pigment location-colour
  membranaceously yellowish
and    plasmatically yellowish
cell diameter
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)
cell wall thickness
0.3 µm    Mean (= average)
cell wall surface habit
  with many crystals
drops of exuded pigment presence
  absent
Anatomy of the inner mantle layer
organisation
  plectenchymatous
hyphae arrangement
  without pattern
septa clamps presence
  present
Anatomy of the mantle in longitudinal section
mantle thickness {apart from tip}
15 µm    Lower value of unspecified range (could be µ-s.d., but not known)
30 µm    Upper value of unspecified range (could be µ+s.d., but not known)
mantle different layers presence
  not discernable
outer mantle layer organisation
  plectenchymatous
inner mantle layer organisation
  plectenchymatous
unlayered mantle hyphae tangentially length
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)
unlayered mantle 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)

Anatomy of the tannin cells in longitudinal section
presence
  present
rows number
1     Mean (= average)
shape
  round
or    tangentially-oval, -elliptic or -cylindrical, and oriented in parallel to root axis
tangentially length
30 µm    Minimum value
40 µm    Lower value of unspecified range (could be µ-s.d., but not known)
70 µm    Upper value of unspecified range (could be µ+s.d., but not known)
80 µm    Maximum value
radially diameter
5 µm    Minimum value
8 µm    Lower value of unspecified range (could be µ-s.d., but not known)
10 µm    Upper value of unspecified range (could be µ+s.d., but not known)
15 µm    Maximum value
mean tangenial length TCt
43 µm    Mean (= average)
mean shape-ratio TCq
5.2     Mean (= average)

Anatomy of the cortical cells in longitudinal section
anatomy mantle longitudinal section cortical (epidermal) cells shape
  round
anatomy mantle longitudinal section cortical (epidermal) cells tangentially length
15 µm    Minimum value
20 µm    Lower value of unspecified range (could be µ-s.d., but not known)
45 µm    Upper value of unspecified range (could be µ+s.d., but not known)
anatomy mantle longitudinal section cortical (epidermal) cells radially diameter
10 µm    Minimum value
15 µm    Lower value of unspecified range (could be µ-s.d., but not known)
40 µm    Upper value of unspecified range (could be µ+s.d., but not known)
45 µm    Maximum value
anatomy mantle longitudinal section cortical (epidermal) cells mean tangential length CCt (ECt)
33.8 µm    Mean (= average)
anatomy mantle longitudinal section cortical (epidermal) cells mean shape-ratio CCq (ECq)
1.3     Mean (= average)

Anatomy of the Hartig net in longitudinal section
presence
  present
kind
  protruding towards endodermis
structure {in plan view}
  of palmetti type
lobes width
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)
Anatomy of the mantle in cross-section
mantle different layers presence
  not discernible
outer mantle layer organisation
  plectenchymatous
inner mantle layer organisation
  plectenchymatous
unlayered mantle hyphae tangentially length
5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
20 µm    Upper value of unspecified range (could be µ+s.d., but not known)
unlayered mantle hyphae radially diameter
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)
7 µm    Maximum value

Anatomy of the tannin cells in cross-section
presence
  present
rows number
1     Mean (= average)
shape
  tangentially-oval to tangentially-elliptic
tangentially length
15 µm    Lower value of unspecified range (could be µ-s.d., but not known)
45 µm    Upper value of unspecified range (could be µ+s.d., but not known)
60 µm    Maximum value
radially diameter
5 µm    Minimum value
8 µm    Lower value of unspecified range (could be µ-s.d., but not known)
10 µm    Upper value of unspecified range (could be µ+s.d., but not known)
15 µm    Maximum value
mean tangential length TCt
30.8 µm    Mean (= average)
mean shape-ratio TCq
3.7     Mean (= average)

Anatomy of the cortical cells in cross-section
anatomy mantle cross-section cortical (epidermal) cells shape
  round
or    tangentially-oval to tangentially-elliptic
anatomy mantle cross-section cortical (epidermal) cells tangentially length
15 µm    Minimum value
20 µm    Lower value of unspecified range (could be µ-s.d., but not known)
55 µm    Upper value of unspecified range (could be µ+s.d., but not known)
60 µm    Maximum value
anatomy mantle cross-section cortical (epidermal) cells radially diameter
10 µm    Minimum value
15 µm    Lower value of unspecified range (could be µ-s.d., but not known)
40 µm    Upper value of unspecified range (could be µ+s.d., but not known)
45 µm    Maximum value
anatomy mantle cross-section cortical (epidermal) cells mean tangential length CCt
36.3 µm    Mean (= average)
anatomy mantle cross-section cortical (epidermal) cells mean shape-ratio CCq
1.3     Mean (= average)

Anatomy of the Hartig net in cross-section
presence
  present
kind
  protruding towards endodermis
anatomy mantle cross-section hyphal cells around tannin cells shape
  roundish
anatomy mantle cross-section hyphal cells around tannin cells thickness
3 µm    Lower value of unspecified range (could be µ-s.d., but not known)
6 µm    Upper value of unspecified range (could be µ+s.d., but not known)
anatomy mantle cross-section hyphal rows around tannin cells number
  one
anatomy mantle cross-section hyphal cells around cortical (epidermal) cells shape
  roundish
anatomy mantle cross-section hyphal cells around cortical (epidermal) cells thickness
5 µm    Mean (= average)
anatomy mantle cross-section hyphal rows around cortical (epidermal) cells number
  one
Anatomy of the emanating elements in general
intrahyphal hyphae presence
  absent
backwards-oriented ramifications presence
  present
backwards-oriented clamps presence
  absent
anastomoses type
  closed by a clamp, with a short bridge or bridge almost lacking (contact-clamp)
anastomoses cell wall thickness {relative to remaining cell walls}
  as thick as
anastomoses anastomosal bridge thickness {relative to hyphae}
  as thick as
anastomoses location
  not specified
Anatomy of cystidia


Anatomy of emanating hyphae
shape
  not striking
drops of exuded pigment presence
  absent

Anatomy of the ramification of emanating hyphae
presence
  present
kind
  acute
or    approximately 90°

Anatomy of the septa of emanating hyphae
clamps presence
  present
clamps outline {in dorsal view}
  oval
clamps width {relative to hypha in dorsal view}
  as broad as
clamps outline {in lateral view}
  less than a semicircle
clamps width {relative to hypha in lateral view}
  thinner than
clamps hole presence
  absent

Anatomy of secondary septa of emanating hyphae
presence
  absent

Anatomy of the cells of emanating hyphae
anatomy emanating elements emanating hyphae cell shape
  even
anatomy emanating elements emanating hyphae cell diameter
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)
anatomy emanating elements emanating hyphae cell length
35 µm    Lower value of unspecified range (could be µ-s.d., but not known)
120 µm    Upper value of unspecified range (could be µ+s.d., but not known)
anatomy emanating elements emanating hyphae cell wall surface habit
  with crystals
or    without lens-shaped appositions
or    without spindle-shaped appositions

Anatomy of the crystals occouring in emanating hyphae
presence shape
  cuboid
or    needle-like
orientation
  irregularly

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

Anatomy of hyphae in rhizomorphs
Anatomy of chlamydospores
presence
  absent
Anatomy of haustoria
{of ectomycorrhiza former} presence
  absent
{of foreign origin} presence
  absent
Anatomy of nuclei
number {per cell}
1     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)
shape
  round
diameter
1.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
2 µm    Upper value of unspecified range (could be µ+s.d., but not known)
length
1.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
2 µm    Upper value of unspecified range (could be µ+s.d., but not known)
Anatomy of siderophilous granulations
presence
  absent

Autofluorescence

whole mycorrhizae UV 254 nm colour-presence
  yellow, yellowish
whole mycorrhizae UV 366 nm colour-presence
  absent
mantle in section UV-filter 340-380 nm presence
  present
mantle in section blue-filter, 450-490 nm presence
  absent
mantle in section green-filter, 530-560 nm presence
  absent

Chemical reactions

reaction with acid fuchsin presence
  absent
reaction with anilin presence
  absent
reaction with brillant-cresyl-blue presence
  present
reaction with cotton-blue-lactic-acid presence
  absent
reaction with FeSO4 presence
  present
reaction with formol 40% presence
  absent
reaction with guaiac presence
  absent
reaction with KOH 10% presence
  absent
reaction with Melzer's reagent presence
  absent
reaction with phenole presence
  absent
reaction with phenole-aniline presence
  absent
reaction with sulpho-vanillin presence
  absent

Ecology

geographic occurrence continent
  Europe

Tree

plant family
  Pinaceae
plant genus
  Pinus
plant subgenus-section
  two-needle-pines
plant habitat kind
  forests, woods

Fungus

family
  Cortinariaceae
fruitbodies growth habit
  epigeous
or    pileate-lamellate

Remarks

public notes
  Mycorrhizal ends with older parts darker yellow and partially slightly reddish; longitudinal section of mantle with hyphae tangentially also more than 5 um long; autofluorescence of mantle in section with UV-filter strongly yellow; mantle in FeSO4 dirty yellow, in brillant-cresyl-blue blue; distance of nuclei variable.

– Item listing –