Suillus variegatus (Sw.: Fr.) O. Kuntze + Pinus

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Literature

references
  Mleczko P, Ronikier M (2007) Features of ectomycorrhizae confirm molecular phylogenetics of Suillus (Boletales) rather than carpophore-based systematics: insights from studies on Suillus variegatus, S. plorans and related species. Nova Hedwegia 84(1-2): 1-20.

Morphology

Morphology of the mycorrhizal system
length
2 mm    Lower value of unspecified range (could be µ-s.d., but not known)
10 mm    Upper value of unspecified range (could be µ+s.d., but not known)
ramification presence-type
  tubercle-like
surface {if tubercle-like}
  smooth
or    stringy
or    woolly
colour {if tubercle-like}
  ochre, yellowish brown [covered with darker spots and strings]
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 [common]
exploration type
  long distance
Morphology of the unramified ends
shape {of distal end}
  not inflated, cylindric
colour
  ochre, yellowish brown
or    yellowish
mantle laticifers visibility
  absent
mantle secreted latex {after scratching mantle} presence
  absent
mantle carbonizing presence
  absent
emanating hyphae presence
  present
Morphology of rhizomorphs
cross-section shape
  round or roundish
Morphology of sclerotia
presence
  absent

Anatomy

Anatomical features of the entire mycorrhiza
emanating elements presence-type
  rhizomorphs
or    emanating hyphae
crystals presence
  present
crystals location
  outer mantle layer
blue granules presence
  absent
Anatomy of laticifers
presence
  absent
anatomy entire mycorrhiza laticiferous solitary (gloeoplerous) cells 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) [similar in tubercle sheath]
and    occasional patches of roundish cells on the mantle (type F)
mound cells shape
  globose [swollen, round, oval or irregular]
mound cells diameter
6 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)
mound cells length
6 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)
clavate end cell cover presence
  absent
septa thickness {relative to cell walls}
  as thick as walls
septa clamps presence
  absent
cell 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)
cell wall thickness
0.1 µm    Mean (= average)
cell wall surface habit
  smooth
and    with few crystals
crystals presence-shape
  octahedral [?]
drops of exuded pigment presence
  present
roundish plasmatically yellow cells presence
  absent
pigment granula on surface presence
  absent
Anatomy of the middle mantle layer
presence
  present
organisation
  pseudoparenchymatous [or nearly so, intermixed with elongated hyphae]
cell shape
  variable
or    roundish
cell diameter
6 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)
cell length
6 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 of the inner mantle layer
organisation
  plectenchymatous
hyphae arrangement
  variable
or    ring-like [?]
cell 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 of the mantle in longitudinal section



Anatomy of the mantle in cross-section



Anatomy of the emanating elements in general
Anatomy of cystidia


Anatomy of emanating hyphae
shape
  not striking
cell pigment location-colour
  absent
or    plasmatically yellowish
drops of exuded pigment presence
  present

Anatomy of the ramification of emanating hyphae
presence
  present
kind
  approximately 90°
or    Y-shaped
distance {from septum}
  adjacent to septum

Anatomy of the septa of emanating hyphae
clamps presence
  absent


Anatomy of the cells of emanating hyphae
anatomy emanating elements emanating hyphae cell shape
  knee-like thickened
anatomy emanating elements emanating hyphae cell diameter
4 µm    Lower value of unspecified range (could be µ-s.d., but not known)
6.5 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    with crystals
anatomy emanating elements emanating hyphae cell wall thickness
0.1 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)

Anatomy of the crystals occouring in emanating hyphae
presence shape
  octahedral [?]

Anatomy of the warts occouring on emanating hyphae
presence
  present
Anatomy of rhizomorphs
type
  highly differentiated; thick hyphae forming mostly a core, septa often partially or completely dissolved
(type F)
nodia presence
  present
internal nodia presence
  absent
gelatinized hyphae presence
  absent
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

Ecology

geographic occurrence continent
  Europe

Tree

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

Fungus

family
  Boletaceae
fruitbodies growth habit
  epigeous
or    pileate-porioid

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