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

– Item listing –