"Piceirhiza punctata" + 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
• ramification orders
0     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)
• rhizomorphs as stout, short, conical structures presence-abundance
  absent
• rhizomorphs presence
  present
• rhizomorphs frequency
  infrequent
Morphology of the unramified ends
• shape
  straight
• shape {of distal end}
  not inflated, cylindric
• colour
  dark brown
• very tip colour
  whitish
• 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
  smooth
• mantle surface {in detail} kind
  densely grainy or warty
or    loosely grainy or warty
• emanating hyphae presence
  present
• emanating hyphae abundance
  infrequent
• emanating hyphae distribution
  concentrated proximally
Morphology of rhizomorphs
• diameter
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
30 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• cross-section shape
  round or roundish
• colour
  brown
• ramification kind-frequency
  frequently, at restricted points
• 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
Anatomy of laticifers
• presence
  absent
Anatomical features of the mantle
• matrix presence
  present
• matrix location
  outer mantle layer {apart from tip}
or    middle mantle layer
Anatomy of the outer mantle layer apart from the ectormycorrhizal tip
• organisation
  plectenchymatous
• mantle type
  gelatinous matrix between the hyphae (type C)
• matrix kind
  gelatinous
• cell diameter
1.5 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)
Anatomy of the middle mantle layer
• organisation
  plectenchymatous
• matrix kind
  gelatinous
• hyphae arrangement
  plectenchymatous, without pattern
• cell diameter
1.5 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)
Anatomy of the inner mantle layer
• organisation
  plectenchymatous
• hyphae arrangement
  star-like
• cell diameter
1.5 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)
Anatomy of the mantle in longitudinal section
• mantle thickness {apart from tip}
20 µm    Lower value of unspecified range (could be µ-s.d., but not known)
25 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• mantle different layers presence
  discernable
• outer mantle layer organisation
  plectenchymatous
• inner mantle layer organisation
  plectenchymatous

Anatomy of the tannin cells in longitudinal section
• presence
  present
• rows number
1     Mean (= average)
• shape
  tangentially-oval, -elliptic or -cylindrical, and oriented in parallel to root axis

Anatomy of the cortical cells in longitudinal section
• anatomy mantle longitudinal section cortical (epidermal) cells shape
  tangentially-oval to -elliptic or -cylindrical, and oriented obliquely

Anatomy of the Hartig net in longitudinal section
• presence
  present
• kind
  protruding towards endodermis
• anatomy mantle longitudinal section hyphal cells around tannin cells shape
  roundish
• anatomy mantle longitudinal section hyphal rows around tannin cells number
  one
or    two
• anatomy mantle longitudinal section hyphal cells around cortical (epidermal) cells shape
  roundish
• anatomy mantle longitudinal section hyphal rows around cortical (epidermal) cells number
  one
• structure {in plan view}
  of palmetti type
Anatomy of the mantle in cross-section



Anatomy of the emanating elements in general
Anatomy of cystidia


Anatomy of emanating hyphae
• shape
  straight
or    not striking
• cell pigment location-colour
  membranaceously brownish

Anatomy of the ramification of emanating hyphae
• distance {from septum}
  one or two hyphal diam. below the septum
• side-branches at septum number
  one side-branch at septum

Anatomy of the septa of emanating hyphae
• clamps presence
  present
• clamps outline {in lateral view}
  as a semicircle
• clamps width {relative to hypha in lateral view}
  as broad as

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 shape
  even
• anatomy emanating elements emanating hyphae cell diameter
3 µm    Mean (= average)
• anatomy emanating elements emanating hyphae cell wall surface habit
  smooth
or    without lens-shaped appositions
or    without spindle-shaped appositions


Anatomy of rhizomorphs
• type
  undifferentiated; margins rather smooth; hyphae compactly arranged and of uniform diameter
(type B)

Anatomy of hyphae in rhizomorphs
Anatomy of haustoria
• {of ectomycorrhiza former} presence
  absent
• {of foreign origin} presence
  absent
Ultrastructure
• septal pores type
  as dolipores with perforated parenthesome
• mantle matrix presence-kind
  transparent

Ecology

• geographic occurrence continent
  Europe

Tree

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

Remarks

• public notes
  Very tips of mycorrhizae with dark brown points; emanating hyphae infrequent, occurring mostly at the basis.

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