Lactarius tesquorum Malen. + Cistus

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Literature

references
  Nuytinck J, Verbeken A, Rinaldi AC, Leonardi M, Pacioni G, Comandini O (2004) Characterization of Lactarius tesquorum ectomycorrhizae on Cistus sp. and molecular phylogeny of related European Lactarius taxa. Mycologia 96(2): 272-282.

Morphology

Morphology of the mycorrhizal system
length
1.26 mm    Minimum value
1.47 mm    Lower value of unspecified range (could be µ-s.d., but not known)
2.65 mm    Upper value of unspecified range (could be µ+s.d., but not known)
3.23 mm    Maximum value
ramification presence-type
  monopodial-pinnate
main axis diameter
0.26 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.35 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
  infrequent
exploration type
  medium distance smooth
Morphology of the unramified ends
mantle hydrophobicity presence
  absent
shape
  straight
or    bent
length
0.44 mm    Minimum value
0.65 mm    Lower value of unspecified range (could be µ-s.d., but not known)
1.18 mm    Upper value of unspecified range (could be µ+s.d., but not known)
1.32 mm    Maximum value
diameter
0.23 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.32 mm    Upper value of unspecified range (could be µ+s.d., but not known)
colour
  ochre, yellowish brown
or    yellowish
very tip colour
  ochre, yellowish brown
or    yellowish
older parts colour
  dark brown
or    brown
or    ochre, yellowish brown
mantle cortical cells visibility
  visible
mantle transparency
  semi-transparent, opaque
mantle secreted latex {after scratching mantle} presence
  present
mantle secreted latex {after scratching mantle} colour-habit
  white, remaining white after some minutes
mantle surface {in general} habit
  shiny
or    smooth
or    covered with soil particles
emanating hyphae presence
  absent
Morphology of rhizomorphs
diameter
0.03 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.07 mm    Upper value of unspecified range (could be µ+s.d., but not known)
colour
  concolourous to mantle
connection to mantle kind
  distinct
origin location
  proximal
margin habit
  smooth
Morphology of sclerotia
presence
  absent

Anatomy

Anatomical features of the entire mycorrhiza
emanating elements presence-type
  rhizomorphs
crystals presence
  absent
blue granules presence
  absent
Anatomy of laticifers
presence
  present
location
  middle mantle layer
or    rhizomorphs
shape
  straight and even
septa presence
  present
contents colour
  colourless
cell diameter
5 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)
cell wall thickness
0.1 µm    Mean (= average)
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
hyphae short protrusions presence
  present [elbow-like]
hyphae hyphal junctions angle {between}
  ca. 120°
septa clamps presence
  absent
cell 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)
3 µm    Maximum value
cell wall surface habit
  smooth
drops of exuded pigment presence
  absent
roundish plasmatically yellow cells presence
  absent
pigment granula on surface presence
  absent
Anatomy of the middle mantle layer
presence
  present
organisation
  plectenchymatous [densely plectenchymatous to nearly pseudoparenchymatous]
hyphae arrangement
  plectenchymatous, without pattern
cell diameter
4 µm    Lower value of unspecified range (could be µ-s.d., but not known)
5.5 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
  plectenchymatous [densely plectenchymatous to nearly pseudoparenchymatous]
hyphae arrangement
  ring-like
hyphae vessel-like presence
  absent
septa clamps presence
  absent
cell diameter
4 µm    Lower value of unspecified range (could be µ-s.d., but not known)
5.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
7 µm    Maximum value
Anatomy of the outer mantle layer of the ectormycorrhizal tip
anatomy mantle outer mantle layer {of ectomycorrhizal tip} organisation
  like other parts of mantle
Anatomy of the mantle in longitudinal section
mantle thickness {apart from tip}
10 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)
calyptra cell remnants presence
  present [possibly regarded as tannin cells]
mantle different layers presence
  not discernable
unlayered mantle organization
  plectenchymatous
unlayered mantle hyphae tangentially length
4 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)
unlayered mantle hyphae radially 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)
laticifers diameter
5 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 of the tannin cells in longitudinal section
presence
  present [possibly only collapsed calyptra cells]
radially 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 of the cortical cells in longitudinal section
anatomy mantle longitudinal section cortical (epidermal) cells shape
  radially-oval to -elliptic
anatomy mantle longitudinal section cortical (epidermal) cells tangentially length
13 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
35 µm    Lower value of unspecified range (could be µ-s.d., but not known)
47 µm    Upper value of unspecified range (could be µ+s.d., but not known)

Anatomy of the Hartig net in longitudinal section
presence
  present
kind
  periepidermal [surrounds 1(2) rows of cortical cells]
anatomy mantle longitudinal section hyphal cells around cortical (epidermal) cells shape
  roundish
or    cylindrical
anatomy mantle longitudinal section hyphal cells around cortical cells (epidermal) thickness
1.5 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)
structure {in plan view}
  of palmetti type
lobes width
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)
Anatomy of the mantle in cross-section



Anatomy of the emanating elements in general
Anatomy of cystidia


Anatomy of emanating hyphae






Anatomy of rhizomorphs
type
  differentiated; thick hyphae forming a core, septa complete or sometimes enlarged
(type E)
or    highly differentiated; thick hyphae forming mostly a core, septa often partially or completely dissolved
(type F) [with respect to septal distances highly questionabale]
hyphae distinctly different diameter
  present

Anatomy of hyphae in rhizomorphs
anatomy emanating elements rhizomorphs clamps presence
  absent
ampullate, trumpet-like inflated presence
  absent
roundish plasmatically yellow cells presence
  absent
anatomy emanating elements rhizomorphs ladder-like hyphae presence
  absent
Anatomy of vessel-like or thickened hyphae in rhizomorphs
anatomy emanating elements rhizomorphs clamps presence
  absent
anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
anatomy emanating elements rhizomorphs hyphae roundish plasmatically yellow cells presence
  absent
anatomy emanating elements rhizomorphs ladder-like hyphae presence
  absent
Anatomy of central non-vessel-like hyphae in rhizomorphs
anatomy emanating elements rhizomorphs clamps presence
  absent
anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
anatomy emanating elements rhizomorphs hyphae roundish plasmatically yellow cells presence
  absent
anatomy emanating elements rhizomorphs ladder-like hyphae presence
  absent
Anatomy of peripheral hyphae in rhizomorphs
anatomy emanating elements rhizomorphs clamps presence
  absent
anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
anatomy emanating elements rhizomorphs hyphae roundish plasmatically yellow cells presence
  absent
anatomy emanating elements rhizomorphs ladder-like hyphae presence
  absent
Anatomy of solitary thick-walled hyphae in rhizomorphs
anatomy emanating elements rhizomorphs clamps presence
  absent
anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
anatomy emanating elements rhizomorphs hyphae roundish plasmatically yellow cells presence
  absent
anatomy emanating elements rhizomorphs ladder-like hyphae presence
  absent
Anatomy of chlamydospores
presence
  absent

Ecology

geographic occurrence continent
  Europe

Tree

plant family
  Cistaceae
plant genus
  Cistus
plant habitat kind
  dwarf shrub vegetation

Fungus

family
  Russulaceae
subgenus-section
  Lactarius subg. Piperites
or    Lactarius sect. Piperites
fruitbodies growth habit
  epigeous
or    pileate-lamellate

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