Tuber mesentericum Vitt. + Corylus

– Item listing –

– Enlarged view –

Literature

references
  Rauscher T, Agerer R, Chevalier G (1995) Ektomykorrhizen von Tuber melanosporum, Tuber mesentericum und Tuber rufum (Tuberales) an Corylus avellana. Nova Hedwigia 61: 281-322.
Rauscher T, Chevalier G (1995) Tuber mesentericum. In Agerer R (ed) Colour Atlas of Ectomycorrhizae, plate 88, Einhorn-Verlag, Schwäbisch Gmünd.

Morphology

Morphology of the mycorrhizal system
length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
4.5 mm    Upper value of unspecified range (could be µ+s.d., but not known)
ramification presence-type
  monopodial-pyramidal
ramification orders
0     Lower value of unspecified range (could be µ-s.d., but not known)
1     Upper value of unspecified range (could be µ+s.d., but not known)
abundance
  abundant, dense
main axis diameter
0.28 mm    Minimum value
0.36 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 presence
  absent
exploration type
  short distance
Morphology of the unramified ends
shape
  straight
shape {of distal end}
  not inflated, cylindric
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)
2.2 mm    Maximum value
diameter
0.25 mm    Minimum value
0.32 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.36 mm    Upper value of unspecified range (could be µ+s.d., but not known)
colour
  brown
or    ochre, yellowish brown
older parts colour
  dark brown
mantle cortical cells visibility
  visible
mantle {distinct} surface visibility
  present
mantle transparency
  semi-transparent, opaque
mantle laticifers visibility
  absent
mantle dots presence-colour
  absent
mantle carbonizing presence
  absent
mantle surface {in general} habit
  shiny
or    smooth
or    not smooth
mantle surface {in detail} kind
  densely woolly
or    loosely woolly
emanating hyphae presence
  absent
or    present
emanating hyphae abundance
  infrequent
emanating hyphae distribution
  not specifically distributed
or    concentrated distally
Morphology of sclerotia
presence
  absent

Anatomy

Anatomical features of the entire mycorrhiza
emanating elements presence-type
  cystidia
emanating elements cystidia location
  on outer mantle layer
Anatomy of laticifers
presence
  absent
Anatomical features of the mantle
matrix presence
  absent
Anatomy of the outer mantle layer apart from the ectormycorrhizal tip
organisation
  plectenchymatous
and    pseudoparenchymatous
organisation {if pseudoparenchymatous} cell shape
  angular
mantle type
  angular cells (type L)
pores between cells presence
  present
pores between cells abundance
  infrequent
septa clamps presence
  absent
cell pigment location-colour
  membranaceously yellowish
and    membranaceously brownish
cell contents presence-kind
  absent
cell diameter
3 µm    Minimum value
5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
9 µm    Upper value of unspecified range (could be µ+s.d., but not known)
11 µm    Maximum value
cell length
6 µm    Minimum value
9 µm    Lower value of unspecified range (could be µ-s.d., but not known)
16 µm    Upper value of unspecified range (could be µ+s.d., but not known)
20 µm    Maximum value
cell density
10     Lower value of unspecified range (could be µ-s.d., but not known)
12     Upper value of unspecified range (could be µ+s.d., but not known)
cell wall thickness
1 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)
cell wall with globular thickenings
  absent
cell wall surface habit
  smooth
cell wall projections presence
  present
cell wall projections abundance
  infrequent
cell wall projections shape
  even in thickness
drops of exuded pigment presence
  absent
Anatomy of the middle mantle layer
organisation
  pseudoparenchymatous
cell pigment location-colour
  membranaceously yellowish
or    membranaceously brownish
cell diameter
4 µm    Minimum value
6 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
cell density
8     Lower value of unspecified range (could be µ-s.d., but not known)
10     Upper value of unspecified range (could be µ+s.d., but not known)
cell contents presence-kind
  absent
cell wall thickness
0.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
0.8 µm    Upper value of unspecified range (could be µ+s.d., but not known)
cell wall surface habit
  smooth
Anatomy of the inner mantle layer
organisation
  pseudoparenchymatous
cell pigment location-colour
  membranaceously yellowish
or    membranaceously brownish
cell diameter
3 µm    Minimum value
5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
9 µm    Upper value of unspecified range (could be µ+s.d., but not known)
11 µm    Maximum value
cell length
5 µm    Minimum value
9 µm    Lower value of unspecified range (could be µ-s.d., but not known)
15 µm    Upper value of unspecified range (could be µ+s.d., but not known)
18 µm    Maximum value
cell contents presence-kind
  absent
Anatomy of the outer mantle layer of the ectormycorrhizal tip
anatomy mantle outer mantle layer {of ectomycorrhizal tip} organisation
  pseudoparenchymatous
anatomy mantle outer mantle layer {of ectomycorrhizal tip} hyphae diameter
4 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)
anatomy mantle outer mantle layer {of ectomycorrhizal tip} cell density
17     Lower value of unspecified range (could be µ-s.d., but not known)
19     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}
15 µm    Lower value of unspecified range (could be µ-s.d., but not known)
25 µm    Upper value of unspecified range (could be µ+s.d., but not known)
mantle different layers presence
  discernable
outer mantle layer organisation
  pseudoparenchymatous
outer mantle layer hyphae tangentially length
5 µm    Minimum value
6 µm    Lower value of unspecified range (could be µ-s.d., but not known)
14 µm    Upper value of unspecified range (could be µ+s.d., but not known)
18 µm    Maximum value
outer mantle layer hyphae radially diameter
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
2.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
middle mantle layer organisation
  pseudoparenchymatous
middle mantle layer hyphae tangentially length
8 µm    Minimum value
10 µm    Lower value of unspecified range (could be µ-s.d., but not known)
18 µm    Upper value of unspecified range (could be µ+s.d., but not known)
22 µm    Maximum value
middle mantle layer hyphae radially diameter
3.5 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)
7 µm    Maximum value
inner mantle layer organisation
  pseudoparenchymatous
inner mantle layer hyphae tangentially length
4 µm    Minimum value
6 µm    Lower value of unspecified range (could be µ-s.d., but not known)
11 µm    Upper value of unspecified range (could be µ+s.d., but not known)
13 µm    Maximum value
inner mantle layer hyphae radially diameter
2.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
3.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)

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 µm    Minimum value
12 µm    Lower value of unspecified range (could be µ-s.d., but not known)
22 µm    Upper value of unspecified range (could be µ+s.d., but not known)
anatomy mantle longitudinal section cortical (epidermal) cells radially diameter
25 µm    Minimum value
35 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 longitudinal section cortical (epidermal) cells mean tangential length CCt (ECt)
15.6 µm    Mean (= average)
anatomy mantle longitudinal section cortical (epidermal) cells mean shape-ratio CCq (ECq)
0.3     Mean (= average)

Anatomy of the Hartig net in longitudinal section
presence
  present
kind
  periepidermal
anatomy mantle longitudinal section hyphal cells around cortical (epidermal) cells shape
  roundish
anatomy mantle longitudinal section hyphal cells around cortical cells (epidermal) thickness
1 µm    Lower value of unspecified range (could be µ-s.d., but not known)
2.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
3.5 µm    Maximum value
anatomy mantle longitudinal section hyphal rows around cortical (epidermal) cells number
  one
structure {in plan view}
  of palmetti type
lobes width
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 the mantle in cross-section
mantle different layers presence
  discernible
outer mantle layer organisation
  pseudoparenchymatous
outer mantle layer hyphae tangentially length
4 µm    Lower value of unspecified range (could be µ-s.d., but not known)
11 µm    Upper value of unspecified range (could be µ+s.d., but not known)
outer mantle layer hyphae radially diameter
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
2.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
middle mantle layer organisation
  pseudoparenchymatous
middle mantle layer hyphae tangentially length
4 µm    Minimum value
6 µm    Lower value of unspecified range (could be µ-s.d., but not known)
11 µm    Upper value of unspecified range (could be µ+s.d., but not known)
13 µm    Maximum value
middle mantle layer hyphae radially diameter
3.5 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)
7 µm    Maximum value
inner mantle layer organisation
  pseudoparenchymatous
inner mantle layer hyphae tangentially length
4 µm    Lower value of unspecified range (could be µ-s.d., but not known)
9 µm    Upper value of unspecified range (could be µ+s.d., but not known)
inner mantle layer hyphae radially diameter
2.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
3.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)

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 shape
  radially-oval to -elliptic
or    tangentially-oval to tangentially-elliptic
anatomy mantle cross-section cortical (epidermal) cells tangentially length
10 µm    Minimum value
15 µm    Lower value of unspecified range (could be µ-s.d., but not known)
25 µm    Upper value of unspecified range (could be µ+s.d., but not known)
33 µm    Maximum value
anatomy mantle cross-section cortical (epidermal) cells radially diameter
12 µm    Minimum value
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)
35 µm    Maximum value
anatomy mantle cross-section cortical (epidermal) cells mean tangential length CCt
19.5 µm    Mean (= average)
anatomy mantle cross-section cortical (epidermal) cells mean shape-ratio CCq
0.8     Mean (= average)

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
1 µm    Lower value of unspecified range (could be µ-s.d., but not known)
2.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
3.5 µm    Maximum value
anatomy mantle cross-section hyphal rows around cortical (epidermal) cells number
  one
lobes width
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)
structure {in plan view}
  of palmetti type
Anatomy of the emanating elements in general
intrahyphal hyphae presence
  present
backwards-oriented ramifications presence
  absent
anastomoses type
  closed by a simple septum, with a long bridge
or    closed by a simple septum, with a short bridge or bridge almost lacking (contact-septum)
anastomoses location
  not specified
Anatomy of cystidia

Anatomy of cystidia (type 1)
type
  awl-shaped, bristle-like (type A)
ramification presence-position
  proximal
branches ramification presence
  absent
septa presence
  present
septa kind
  simple
diameter {proximal}
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)
diameter {distal}
2.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
3.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
length
450 µm    Lower value of unspecified range (could be µ-s.d., but not known)
1250 µm    Upper value of unspecified range (could be µ+s.d., but not known)
1510 µm    Maximum value
cell wall colour
  brownish
cell wall thickness
0.5 µm    Minimum value
0.8 µm    Lower value of unspecified range (could be µ-s.d., but not known)
1 µm    Upper value of unspecified range (could be µ+s.d., but not known)
1.5 µm    Maximum value
cell wall thickness {relative to mantle cells}
  similar in thickness
cell wall evenness
  even in thickness
surface habit
  warty
contents presence
  absent
contents type
  absent

Anatomy of emanating hyphae
cell pigment location-colour
  absent
or    membranaceously yellowish
drops of exuded pigment presence
  absent


Anatomy of the septa of emanating hyphae
clamps presence
  absent


Anatomy of the cells of emanating hyphae
anatomy emanating elements emanating hyphae cell shape {at distal end}
  simple
anatomy emanating elements emanating hyphae cell diameter
3.5 µm    Minimum value
4 µm    Lower value of unspecified range (could be µ-s.d., but not known)
5 µm    Mean (= average)
5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
7.2 µm    Maximum value
anatomy emanating elements emanating hyphae cell length
15 µm    Minimum value
25 µm    Lower value of unspecified range (could be µ-s.d., but not known)
44 µm    Upper value of unspecified range (could be µ+s.d., but not known)
anatomy emanating elements emanating hyphae cell wall surface habit
  without lens-shaped appositions
or    without spindle-shaped appositions
anatomy emanating elements emanating hyphae cell wall thickness
0.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
0.7 µm    Upper value of unspecified range (could be µ+s.d., but not known)
anatomy emanating elements emanating hyphae cell wall thickness at tip {relative to remaining cell wall}
  thinner


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

Anatomy of hyphae in rhizomorphs
Anatomy of chlamydospores
presence
  absent
Anatomy of haustoria
{of ectomycorrhiza former} 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
or    oval
diameter
1.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
2.5 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)
2.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
distance {between each other}
1 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)

Autofluorescence

whole mycorrhizae UV 254 nm colour-presence
  absent
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
  present
mantle in section green-filter, 530-560 nm presence
  present

Chemical reactions

reaction with brillant-cresyl-blue presence
  absent
reaction with cotton-blue-lactic-acid presence
  present
reaction with ethanol 70% presence
  present
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 sulpho-vanillin presence
  absent

Ecology

geographic occurrence continent
  Europe

Tree

plant family
  Betulaceae
plant genus
  Corylus
plant habitat kind
  nursery

Fungus

family
  Tuberaceae
fruitbodies growth habit
  hypogeous

Remarks

public notes
  Autofluorescence of mantle in section with UV-filter outer layer and basal parts of cystidia yellowish brown and inner layer brown, with blue-filter outer layer and basal parts of cystidia yellow and inner layer ochre, with green-filter outer layer distinctly orange red and inner layer and basal parts of cystidia orange red; mantle in FeSO4 with greyish-brown cell walls, in brillant-cresyl-blue cell walls of lighter colour, in cotton-blue cell walls irregularly slightly blue, in ethanol cell walls dark brown, in phenole cell walls lighter coloured.

– Item listing –