Boletinus cavipes (Opat.) Kalchbr. + Larix

– Item listing –

– Enlarged view –

Literature

• references
  Raidl S (1997) Studien zur Ontogenie an Rhizomorphen von Ektomykorrhizen. Bibl Mycol 169: 1-184.
Samson J, Fortin JA (1988) Structural characterization of Fuscoboletinus and Suillus ectomycorrhizae synthesized on Larix laricina. Mycologia 80 (3): 382-392.
Treu R (1990) Charakterisierung und Identifizierung von Ektomykorrhizen aus dem Nationalpark Berchtesgaden. Bibliotheca Mycologica 134: 1-196.
Treu R (1990) Boletinus cavipes. In Agerer R (ed) Colour Atlas of Ectomycorrhizae, plate 35, 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)
11.3 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• ramification presence-type
  monopodial-pinnate
or    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
0.6 mm    Lower value of unspecified range (could be µ-s.d., but not known)
1.13 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
  long distance
Morphology of the unramified ends
• shape
  straight
or    bent
• shape {of distal end}
  not inflated, cylindric
• length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
15 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• diameter
0.5 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.67 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• colour
  ochre, yellowish brown
or    white
• very tip colour
  white
or    whitish
• older parts colour
  white
• mantle cortical cells visibility
  not visible
• mantle {distinct} surface visibility
  present
• mantle transparency
  not transparent
• mantle laticifers visibility
  absent
• mantle dots presence-colour
  brownish
• mantle carbonizing presence
  absent
• mantle surface {in general} habit
  silvery
or    smooth
• emanating hyphae presence
  absent
Morphology of rhizomorphs
• diameter
0 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)
• cross-section shape
  round or roundish
• colour
  ochre, yellowish brown
or    whitish
• ramification kind-frequency
  infrequently, at restricted points
• connection to mantle kind
  distinct
• origin location
  proximal
• margin habit
  smooth
• dimorphism presence
  absent
Morphology of sclerotia
• presence
  absent

Anatomy

Anatomical features of the entire mycorrhiza
• emanating elements presence-type
  rhizomorphs
or    cystidia
• emanating elements cystidia location
  on outer mantle layer
• blue granules presence
  absent
Anatomy of laticifers
• presence
  absent
Anatomical features of the mantle
Anatomy of the outer mantle layer apart from the ectormycorrhizal tip
• organisation
  plectenchymatous
• mantle type
  occasional patches of roundish cells on the mantle (type F)
• cell pigment location-colour
  absent
• cell diameter
2.5 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)
• cell wall thickness
0.2 µm    Mean (= average)
• cell wall surface habit
  with few crystals
• drops of exuded pigment presence
  absent
Anatomy of the middle mantle layer
• organisation
  plectenchymatous
• hyphae arrangement
  plectenchymatous, without pattern
• cell pigment location-colour
  colourless
• cell diameter
2.5 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)
• cell wall thickness
0.2 µm    Mean (= average)
• cell wall surface habit
  smooth
Anatomy of the inner mantle layer
• organisation
  plectenchymatous
• hyphae arrangement
  without pattern
• septa clamps presence
  absent
• cell pigment location-colour
  absent
• cell diameter
2.5 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)
Anatomy of the mantle in longitudinal section
• mantle thickness {apart from tip}
29 µm    Lower value of unspecified range (could be µ-s.d., but not known)
71 µm    Upper value of unspecified range (could be µ+s.d., but not known)
113 µm    Maximum value
• mantle different layers presence
  not discernable
• outer mantle layer organisation
  plectenchymatous
or    pseudoparenchymatous
• middle mantle layer organisation
  plectenchymatous
or    pseudoparenchymatous
• inner mantle layer organisation
  plectenchymatous
or    pseudoparenchymatous
• 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)
8 µm    Maximum value

Anatomy of the tannin cells in longitudinal section
• presence
  present
• shape
  tangentially-oval, -elliptic or -cylindrical, and oriented in parallel to root axis
• tangentially length
52 µm    Lower value of unspecified range (could be µ-s.d., but not known)
240 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• radially diameter
8 µm    Lower value of unspecified range (could be µ-s.d., but not known)
24 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• mean tangenial length TCt
148.2 µm    Mean (= average)
• mean shape-ratio TCq
8.7     Mean (= average)

Anatomy of the cortical cells in longitudinal section
• anatomy mantle longitudinal section cortical (epidermal) cells shape
  tangentially-oval to -elliptic or -cylindrical, and oriented in parallel to root axis
• anatomy mantle longitudinal section cortical (epidermal) cells tangentially length
76 µm    Lower value of unspecified range (could be µ-s.d., but not known)
280 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• anatomy mantle longitudinal section cortical (epidermal) cells radially diameter
12 µm    Lower value of unspecified range (could be µ-s.d., but not known)
40 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• anatomy mantle longitudinal section cortical (epidermal) cells mean tangential length CCt (ECt)
146.4 µm    Mean (= average)
• anatomy mantle longitudinal section cortical (epidermal) cells mean shape-ratio CCq (ECq)
6.3     Mean (= average)

Anatomy of the Hartig net in longitudinal section
• presence
  present
• kind
  protruding towards endodermis
or    one or half a row of cortical cells adjoining endodermis free of Hartig net
Anatomy of the mantle in cross-section
• mantle different layers presence
  not discernible
• outer mantle layer organisation
  plectenchymatous
or    pseudoparenchymatous
• middle mantle layer organisation
  plectenchymatous
or    pseudoparenchymatous
• inner mantle layer organisation
  plectenchymatous
or    pseudoparenchymatous
• 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)
8 µm    Maximum value

Anatomy of the tannin cells in cross-section
• rows number
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)
2     Maximum value
• shape
  tangentially-oval to tangentially-elliptic
• tangentially length
33 µm    Lower value of unspecified range (could be µ-s.d., but not known)
63 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• radially diameter
10 µm    Lower value of unspecified range (could be µ-s.d., but not known)
62 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• mean tangential length TCt
45.1 µm    Mean (= average)
• mean shape-ratio TCq
2.5     Mean (= average)

Anatomy of the cortical cells in cross-section
• anatomy mantle cross-section cortical (epidermal) cells shape
  tangentially-oval to tangentially-elliptic
• anatomy mantle cross-section cortical (epidermal) cells tangentially length
12 µm    Lower value of unspecified range (could be µ-s.d., but not known)
38 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• anatomy mantle cross-section cortical (epidermal) cells radially diameter
14 µm    Lower value of unspecified range (could be µ-s.d., but not known)
45 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• anatomy mantle cross-section cortical (epidermal) cells mean tangential length CCt
25.6 µm    Mean (= average)
• anatomy mantle cross-section cortical (epidermal) cells mean shape-ratio CCq
1     Mean (= average)

Anatomy of the Hartig net in cross-section
• presence
  present
• kind
  protruding towards endodermis
• anatomy mantle cross-section hyphal cells around tannin cells shape
  roundish
• anatomy mantle cross-section hyphal cells around tannin cells thickness
1.5 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 mantle cross-section hyphal rows around tannin cells number
  one
• anatomy mantle cross-section hyphal cells around cortical (epidermal) cells shape
  roundish
or    cylindrical
• anatomy mantle cross-section hyphal cells around cortical (epidermal) cells thickness
1.5 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 mantle cross-section hyphal rows around cortical (epidermal) cells number
  one
Anatomy of the emanating elements in general
Anatomy of cystidia

Anatomy of cystidia (type 1)
• type
  globular (type G)
• septa presence
  absent
or    present
• septa kind
  absent, with basal clamp only
or    simple
• diameter {proximal}
9 µm    Lower value of unspecified range (could be µ-s.d., but not known)
17 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• diameter {distal}
9 µm    Lower value of unspecified range (could be µ-s.d., but not known)
17 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• cell wall colour
  yellowish
or    brownish
• cell wall colour {relative to mantle cells}
  darker
• cell wall thickness
0.5 µm    Mean (= average)
1 µm    Maximum value
• cell wall thickness {relative to mantle cells}
  thicker
• cell wall evenness
  even in thickness
• surface habit
  smooth
• contents presence
  absent
• contents type
  absent

Anatomy of emanating hyphae






Anatomy of rhizomorphs
• type
  highly differentiated; thick hyphae forming mostly a core, septa often partially or completely dissolved
(type F)
• nodia presence
  present
• a "ball" of intertwined, ramified, thin hyphae presence
  absent

Anatomy of hyphae in rhizomorphs
• anatomy emanating elements rhizomorphs clamps presence
  unknown
• ampullate, trumpet-like inflated presence
  absent
Anatomy of vessel-like or thickened hyphae in rhizomorphs
• anatomy emanating elements rhizomorphs clamps presence
  unknown
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
Anatomy of central non-vessel-like hyphae in rhizomorphs
• anatomy emanating elements rhizomorphs clamps presence
  unknown
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
Anatomy of peripheral hyphae in rhizomorphs
• anatomy emanating elements rhizomorphs clamps presence
  unknown
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
Anatomy of solitary thick-walled hyphae in rhizomorphs
• anatomy emanating elements rhizomorphs clamps presence
  unknown
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
Anatomy of chlamydospores
• presence
  absent
Anatomy of haustoria
• {of ectomycorrhiza former} presence
  absent
• {of foreign origin} 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
• diameter
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)
• length
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)

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
  absent

Chemical reactions

• reaction with acid fuchsin presence
  absent
• reaction with anilin presence
  absent
• reaction with brillant-cresyl-blue presence
  absent
• reaction with cotton-blue-lactic-acid presence
  absent
• reaction with ethanol 70% presence
  absent
• reaction with FeSO4 presence
  absent
• reaction with formol 40% presence
  absent
• reaction with guaiac presence
  absent
• reaction with KOH 10% presence
  absent
• reaction with lactic acid presence
  absent
• reaction with Melzer's reagent presence
  absent
• reaction with phenole presence
  absent
• reaction with phenole-aniline presence
  absent
• reaction with ruthenium-red presence
  absent
• reaction with sulpho-vanillin presence
  absent

Ecology

• geographic occurrence continent
  Europe
or    North America
• knowledge about association with foreign fruitbodies presence
  unknown

Tree

• plant family
  Pinaceae
• plant genus
  Larix
• plant habitat kind
  forests, woods

Fungus

• family
  Boletaceae
• subfamily
  Boletaceae subf. Suilloideae
• fruitbodies growth habit
  epigeous
or    pileate-porioid

Remarks

• public notes
  Inflated surface cells of rhizomorphs up to 12 um in diam. and with up to 1.5 um thick walls; autofluorescence of mantle in section with UV-filter bluish, with blue-filter yellowish, mantle in NH4OH and in HCl no reaction.

– Item listing –