"Piceirhiza echinata" + Picea

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Literature

references
  Haug I, Pritsch K (1992) Ectomycorrhizal types of spruce (Picea abies (L.) Karst.) in the Black Forest. A microscopical atlas. Kernforschungszentrum Karlsruhe.

Morphology

Morphology of the mycorrhizal system
ramification presence-type
  monopodial-pinnate
rhizomorphs presence
  absent
Morphology of the unramified ends
shape
  straight
shape {of distal end}
  not inflated, cylindric
colour
  ochre, yellowish brown
or    white
mantle cortical cells visibility
  visible
mantle {distinct} surface visibility
  absent
mantle transparency
  semi-transparent, opaque
mantle laticifers visibility
  absent
mantle surface {in general} habit
  silvery
mantle surface {in detail} kind
  densely woolly
emanating hyphae presence
  present
emanating hyphae abundance
  abundant
emanating hyphae distribution
  not specifically distributed
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)
cell wall surface habit
  rough
Anatomy of the middle mantle layer
organisation
  plectenchymatous
Anatomy of the inner mantle layer
organisation
  plectenchymatous
Anatomy of the mantle in longitudinal section
mantle thickness {apart from tip}
10 µm    Mean (= average)
mantle different layers presence
  not discernable
outer mantle layer organisation
  plectenchymatous
middle mantle layer organisation
  plectenchymatous
inner mantle layer organisation
  plectenchymatous

Anatomy of the tannin cells in longitudinal section
presence
  present
rows number
2     Lower value of unspecified range (could be µ-s.d., but not known)
3     Upper value of unspecified range (could be µ+s.d., but not known)
shape
  tangentially-oval, -elliptic or -cylindrical, and oriented in parallel to root axis


Anatomy of the Hartig net in longitudinal section
anatomy mantle longitudinal section hyphal cells around tannin cells shape
  roundish
or    cylindrical
anatomy mantle longitudinal section hyphal rows around tannin cells number
  one
Anatomy of the mantle in cross-section



Anatomy of the emanating elements in general
Anatomy of cystidia


Anatomy of emanating hyphae


Anatomy of the septa of emanating hyphae
clamps presence
  present

Anatomy of secondary septa of emanating hyphae
presence
  absent
or    present
abundance
  infrequent
distribution
  not specified

Anatomy of the cells of emanating hyphae
anatomy emanating elements emanating hyphae cell diameter
2.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
3.5 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
anatomy emanating elements emanating hyphae cell wall surface structures shape
  elongated, perpendicular warts


Anatomy of the warts occouring on emanating hyphae
presence
  present
length
0.3 µm    Mean (= average)
Anatomy of rhizomorphs
type
  lacking, only emanating hyphae present
(type G)

Anatomy of hyphae in rhizomorphs
Anatomy of haustoria
{of ectomycorrhiza former} presence
  absent
Ultrastructure
hyphae warts shape
  acicular, with a translucent channel

Ecology

geographic occurrence continent
  Europe

Tree

plant family
  Pinaceae
plant genus
  Picea
plant habitat kind
  forests, woods

Remarks

public notes
  Mycorrhizal ends brownish due to root colour; mantle in section with heaps of cross-cut hyphae; Hartig net in plan view frequently septate.

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