Scleroderma citrinum Pers. + Pinus

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Literature

• references
  Mohan V, Natarajan K, Ingleby K (1993) Anatomical studies on ectomycorrhizas. III. The ectomycorrhizas produced by Rhizopogon luteolus and Scleroderma citrinum on Pinus patula. Mycorrhiza 3: 51-56.
Raidl S (1997) Studien zur Ontogenie an Rhizomorphen von Ektomykorrhizen. Bibl Mycol 169: 1-184.
Waller K, Raidl S, Agerer R (1993) Die Ektomykorrhizen von Scleroderma citrinum. Z Mykol 59: 141-153.

Morphology

Morphology of the mycorrhizal system
• length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
3.5 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• ramification presence-type
  dichotomous
or    coralloid
• abundance
  abundant, dense
• main axis diameter
0.4 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.5 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
  long distance
Morphology of the unramified ends
• shape
  straight
or    bent
• shape {of distal end}
  not inflated, cylindric
• length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
1.2 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• diameter
0.3 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
  white
• very tip colour
  white
• older parts colour
  yellow
or    white
• 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    smooth
or    not smooth
• mantle surface {in detail} kind
  forming rings (reticulate)
• emanating hyphae presence
  present
• emanating hyphae abundance
  abundant
• emanating hyphae distribution
  not specifically distributed
or    concentrated proximally
Morphology of rhizomorphs
• diameter
0 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)
• cross-section shape
  round or roundish
• colour
  yellowish
or    white
• ramification kind-frequency
  frequently, at restricted points
• connection to mantle kind
  distinct
• origin location
  proximal
• margin habit
  hairy
or    densely enveloped by hyphae
• dimorphism presence
  absent
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
  ring-like arrangement of hyphal bundles (type A)
• cell pigment location-colour
  absent
• cell diameter
2.5 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)
• cell wall thickness
0.5 µm    Mean (= average)
• cell wall surface habit
  smooth
• drops of exuded pigment presence
  absent
Anatomy of the middle mantle layer
• organisation
  plectenchymatous
• cell pigment location-colour
  colourless
• 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 contents presence-kind
  absent
• cell wall thickness
0.5 µm    Mean (= average)
• cell wall surface habit
  smooth
Anatomy of the inner mantle layer
• organisation
  plectenchymatous with pseudoparenchymatous nests of cells
• hyphae arrangement
  ring-like
• septa clamps presence
  present
• cell pigment location-colour
  absent
• cell diameter
2 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 µm    Maximum value
• cell contents presence-kind
  absent
Anatomy of the mantle in longitudinal section
• mantle thickness {apart from tip}
40 µm    Lower value of unspecified range (could be µ-s.d., but not known)
60 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
• middle mantle layer organisation
  plectenchymatous
• inner mantle layer organisation
  plectenchymatous
• unlayered mantle hyphae radially diameter
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)
10 µm    Maximum value

Anatomy of the tannin cells in longitudinal section
• presence
  present
• rows number
1     Mean (= average)


Anatomy of the Hartig net in longitudinal section
• presence
  present
• kind
  protruding towards endodermis
Anatomy of the mantle in cross-section
• mantle different layers presence
  not discernible
• outer mantle layer organisation
  plectenchymatous
• middle mantle layer organisation
  plectenchymatous
• inner mantle layer organisation
  plectenchymatous
• unlayered mantle hyphae radially diameter
4 µm    Lower value of unspecified range (could be µ-s.d., but not known)
7 µm    Upper value of unspecified range (could be µ+s.d., but not known)
10 µm    Maximum value

Anatomy of the tannin cells in cross-section
• presence
  present
• rows number
1     Mean (= average)
• shape
  rectangular
or    tangentially-oval to tangentially-elliptic
• tangentially length
25 µm    Lower value of unspecified range (could be µ-s.d., but not known)
60 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• radially diameter
10 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)

Anatomy of the cortical cells in cross-section
• anatomy mantle cross-section cortical (epidermal) cells shape
  tangentially-oval to tangentially-elliptic
• anatomy mantle cross-section cortical (epidermal) cells tangentially length
30 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)
• anatomy mantle cross-section cortical (epidermal) cells radially diameter
15 µm    Lower value of unspecified range (could be µ-s.d., but not known)
50 µm    Upper value of unspecified range (could be µ+s.d., but not known)

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
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 mantle cross-section hyphal rows around tannin cells number
  one
or    two
• anatomy mantle cross-section hyphal cells around cortical (epidermal) cells shape
  roundish
• anatomy mantle cross-section hyphal cells around cortical (epidermal) cells thickness
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 emanating elements in general
Anatomy of cystidia


Anatomy of emanating hyphae
• shape
  not striking
• cell pigment location-colour
  absent
• drops of exuded pigment presence
  absent


Anatomy of the septa of emanating hyphae
• clamps presence
  present
• clamps blister-like structure {at basis} presence
  absent

Anatomy of secondary septa of emanating hyphae
• presence
  absent

Anatomy of the cells of emanating hyphae
• anatomy emanating elements emanating hyphae cell diameter
3 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 emanating elements emanating hyphae cell wall surface habit
  rough of warts
or    without lens-shaped appositions
or    without spindle-shaped appositions


Anatomy of rhizomorphs
• type
  highly differentiated; thick hyphae forming mostly a core, septa often partially or completely dissolved
(type F)
• nodia presence
  present
• gelatinized hyphae presence
  absent
• a "ball" of intertwined, ramified, thin hyphae presence
  absent

Anatomy of hyphae in rhizomorphs
• ampullate, trumpet-like inflated presence
  absent
Anatomy of vessel-like or thickened hyphae in rhizomorphs
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
Anatomy of central non-vessel-like hyphae in rhizomorphs
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
Anatomy of peripheral hyphae in rhizomorphs
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
Anatomy of solitary thick-walled hyphae in rhizomorphs
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
Anatomy of chlamydospores
• presence
  absent
Anatomy of haustoria
• {of ectomycorrhiza former} presence
  absent
• {of foreign origin} presence
  absent

Ecology

• geographic occurrence continent
  Asia
or    Europe
• knowledge about association with foreign fruitbodies presence
  known

Tree

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

Fungus

• family
  Sclerodermataceae
• fruitbodies growth habit
  epigeous
or    gastroid

Remarks

• public notes
  Emanating hyphae with broader distal ends (4-7 um) than at basal regions (2-4 um) and these swollen tips resemble cystidia (Mohan et al. 1993).

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