Cenococcum geophilum Fr. + Eucalyptus

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Literature

• references
  Chilvers GA (1968) Some distinctive types of eucalypt mycorrhiza. Aust J Bot 16: 49-70.

Morphology

Morphology of the mycorrhizal system
• ramification presence-type
  absent
• ramification orders
0     Mean (= average)
1     Maximum value
• rhizomorphs as stout, short, conical structures presence-abundance
  absent
• rhizomorphs as short mycorrhiza-like outgrowths with blunt tips presence
  absent
• rhizomorphs presence
  absent
• exploration type
  short distance
Morphology of the unramified ends
• shape
  straight
• shape {of distal end}
  not inflated, cylindric
or    inflated, club-shaped
• length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
1.5 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• colour
  black
• mantle cortical cells visibility
  not visible
• mantle {distinct} surface visibility
  present
• mantle transparency
  not transparent
• mantle laticifers visibility
  absent
• mantle surface {in general} habit
  shiny
or    not smooth
• mantle surface {in detail} kind
  loosely woolly
• emanating hyphae presence
  present
• emanating hyphae abundance
  abundant
Morphology of sclerotia
• presence
  present
• abundance
  abundant
• shape
  globular
• diameter
0.2 mm    Lower value of unspecified range (could be µ-s.d., but not known)
2 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• colour
  black
• formation location
  on single hyphae or in the soil

Anatomy

Anatomical features of the entire mycorrhiza
Anatomy of laticifers
• presence
  absent
Anatomical features of the mantle
Anatomy of the outer mantle layer apart from the ectormycorrhizal tip
• organisation
  plectenchymatous
and    pseudoparenchymatous
• mantle type
  hyphae star-like arranged and tightly glued together (type G)
• septa clamps presence
  absent
• cell pigment location-colour
  membranaceously brownish
• cell diameter
5 µm    Minimum value
6 µm    Lower value of unspecified range (could be µ-s.d., but not known)
8 µm    Upper value of unspecified range (could be µ+s.d., but not known)
10 µm    Maximum value
• cell length
5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
35 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• cell wall thickness
1 µm    Mean (= average)
Anatomy of the inner mantle layer
• cell diameter
2.5 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 longitudinal section
• mantle thickness {apart from tip}
20 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
  pseudoparenchymatous
• middle mantle layer organisation
  pseudoparenchymatous
• inner mantle layer organisation
  pseudoparenchymatous


Anatomy of the cortical cells in longitudinal section
• anatomy mantle longitudinal section cortical (epidermal) cells shape
  radially-oval to -elliptic, oriented obliquely

Anatomy of the Hartig net in longitudinal section
• presence
  present
• kind
  paraepidermal
• anatomy mantle longitudinal section hyphal cells around cortical (epidermal) cells shape
  roundish
• anatomy mantle longitudinal section hyphal cells around cortical cells (epidermal) thickness
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
3 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• anatomy mantle longitudinal section hyphal rows around cortical (epidermal) cells number
  one
Anatomy of the mantle in cross-section
• mantle different layers presence
  not discernible
• outer mantle layer organisation
  pseudoparenchymatous
• middle mantle layer organisation
  pseudoparenchymatous
• inner mantle layer organisation
  pseudoparenchymatous


Anatomy of the cortical cells in cross-section
• anatomy mantle cross-section cortical (epidermal) cells shape
  radially-oval to -elliptic

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 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)
3 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• anatomy mantle cross-section hyphal rows around cortical (epidermal) cells number
  one
Anatomy of the emanating elements in general
Anatomy of cystidia


Anatomy of emanating hyphae
• cell pigment location-colour
  membranaceously brownish
or    epimembranaceously brownish


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


Anatomy of the cells of emanating hyphae
• anatomy emanating elements emanating hyphae cell diameter
3 µm    Minimum value
4 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
• anatomy emanating elements emanating hyphae cell length
50 µm    Mean (= average)
• anatomy emanating elements emanating hyphae cell wall surface habit
  rough of warts
• anatomy emanating elements emanating hyphae cell wall surface structures shape
  epimembranaceous pigment, as irregularly shaped bands
• anatomy emanating elements emanating hyphae cell wall thickness
1 µm    Mean (= average)


Anatomy of rhizomorphs
• type
  lacking, only emanating hyphae present
(type G)

Anatomy of hyphae in rhizomorphs
Anatomy of chlamydospores
• presence
  absent
Anatomy of sclerotia
• internal structure organisation
  pseudoparenchymatous with angular cells
Anatomy of haustoria
• {of ectomycorrhiza former} presence
  absent
• {of foreign origin} presence
  absent

Ecology

• geographic occurrence continent
  Australia

Tree

• plant family
  Myrtaceae
• plant genus
  Eucalyptus
• plant habitat kind
  forests, woods

Remarks

• public notes
  Cells of sclerotia 5-8 um in diam..

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