Riessiella cylindrica Jülich + Shorea

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Literature

• references
  Jülich W (1985) Fungi associated with Dipterocarpaceae in southeast Asia. 1. The genera Riessia and Riessiella. Int J Mycol Lichenol 2(1): 123-140.

Morphology

Morphology of the unramified ends
• colour
  black
or    dark brown
• mantle laticifers visibility
  absent

Anatomy

Anatomical features of the entire mycorrhiza
• emanating elements presence-type
  cystidia
• emanating elements cystidia location
  on outer mantle layer
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 arranged net-like, with prominent cystidia (type D)
• hyphal system kind
  undifferentiated
• septa thickness {relative to cell walls}
  as thick as walls
• cell shape
  cylindric, not constricted at septa
• cell pigment location-colour
  membranaceously brownish
• 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)
• cell wall thickness
0.2 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)
• cell wall surface habit
  smooth
Anatomy of the middle mantle layer
• organisation
  plectenchymatous
• cell pigment location-colour
  membranaceously brownish
Anatomy of the inner mantle layer
• cell pigment location-colour
  membranaceously yellowish
or    membranaceously brownish
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 cystidia (type 1)
• type
  awl-shaped, bristle-like (type A)
or    bristle-like with an apical knob, gloeocystidia (type H)
• ramification presence-position
  absent
• septa presence
  present
• septa kind
  simple
or    with intercalary clamps
• diameter {proximal}
4.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
5.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• diameter {distal}
4 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)
• length
50 µm    Lower value of unspecified range (could be µ-s.d., but not known)
80 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• cell wall colour
  brownish
• cell wall thickness
0.2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
0.6 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• cell wall thickness {relative to mantle cells}
  similar in thickness
• cell wall evenness
  even in thickness
• surface habit
  smooth

Anatomy of emanating hyphae






Anatomy of rhizomorphs

Anatomy of hyphae in rhizomorphs

Ecology

• geographic occurrence continent
  Asia

Tree

• plant family
  Dipterocarpaceae
• plant genus
  Shorea
• plant habitat kind
  forests, woods

Remarks

• public notes
  Mycorrhizal ends dark brown to blackish; cell walls of emanating hyphae dark brown; inner mantle layers in plan view with yellowish brown walls; cystidia slightly clavate at tip, thick-walled at the base, somewhat thick-walled towards the apex, there walls ca. 0.3 um thick, cystidia sometimes simple septate in distal part.

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