Humaria hemisphaerica (Wigg. : Fr.) Fuckel + Picea

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Literature

references
  Ingleby K, Mason PA, Last FT, Fleming LV (1990) Identification of ectomycorrhizas. ITE Research Publication no 5. HMSO, London

Morphology

Morphology of the mycorrhizal system
length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
7 mm    Upper value of unspecified range (could be µ+s.d., but not known)
ramification presence-type
  absent
or    monopodial-pinnate
ramification orders
0     Mean (= average)
abundance
  solitary or in small numbers
main axis diameter
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.4 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
  absent
Morphology of the unramified ends
shape
  straight
colour
  brown
very tip colour
  whitish
older parts colour
  dark brown
mantle {distinct} surface visibility
  present
mantle transparency
  completely transparent
mantle laticifers visibility
  absent
mantle dots presence-colour
  absent
mantle carbonizing presence
  absent
mantle surface {in general} habit
  shiny
or    smooth
mantle surface {in detail} kind
  loosely woolly
Morphology of sclerotia
presence
  absent

Anatomy

Anatomical features of the entire mycorrhiza
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
  hyphae rather irregularly arranged and no special pattern discernible (type B)
hyphal system kind
  undifferentiated
septa clamps presence
  absent
cell shape
  cylindric, constricted at septa
cell diameter
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)
cell wall thickness
0 µm    Lower value of unspecified range (could be µ-s.d., but not known)
0.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
1 µm    Maximum value
cell wall surface habit
  smooth
drops of exuded pigment presence
  absent
Anatomy of the middle mantle layer
hyphae arrangement
  plectenchymatous, without pattern
Anatomy of the inner mantle layer
organisation
  plectenchymatous
hyphae arrangement
  without pattern
septa clamps presence
  absent
cell length
-20 µm    Mean (= average)
Anatomy of the mantle in longitudinal section
mantle thickness {apart from tip}
0 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)

Anatomy of the tannin cells in longitudinal section
presence
  present


Anatomy of the mantle in cross-section



Anatomy of the emanating elements in general
Anatomy of cystidia


Anatomy of emanating hyphae
shape
  not striking
drops of exuded pigment presence
  absent

Anatomy of the ramification of emanating hyphae
side-branches at septum number
  one side-branch at 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
  even
anatomy emanating elements emanating hyphae cell shape {at distal end}
  simple
anatomy emanating elements emanating hyphae 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 emanating elements emanating hyphae cell wall surface habit
  rough of warts
anatomy emanating elements emanating hyphae cell wall surface structures shape
  hemispherical warts
anatomy emanating elements emanating hyphae cell wall thickness
1 µm    Mean (= average)
1.5 µm    Maximum value
anatomy emanating elements emanating hyphae cell wall thickness at tip {relative to remaining cell wall}
  as thick as


Anatomy of the warts occouring on emanating hyphae
presence
  present
length
0 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 rhizomorphs

Anatomy of hyphae in rhizomorphs
Anatomy of haustoria
{in foreign ectomycorrhizae} presence
  absent

Ecology

geographic occurrence continent
  Europe

Tree

plant family
  Pinaceae
plant genus
  Picea
plant habitat kind
  nursery

Fungus

family
  Humariaceae
fruitbodies growth habit
  epigeous
or    cup-shaped

Remarks

public notes
  Mycorrhizal systems infrequently branched; mycorrhizal ends fairly straight, fawn when young, changing to dark brick with age, and have a pale tip where the mantle is absent.

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