Russula gossypina Buyck + Uapaca

– Item listing –

Literature

• references
  Beenken L (2004) Die Gattung Russula. Untersuchungen zu ihrer Systematik anhand von Ektomykorrhizen. Dissertation, Universität München. http://edoc.ub.uni-muenchen.de/archive/00003175/01/Beenken_Ludwig.pdf

Morphology

Morphology of the mycorrhizal system
• length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
8 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• ramification presence-type
  monopodial-pyramidal
• tips {per 10 mm} number
  unknown
• ramification index
  unknown
• ramification orders
  unknown
• main axis diameter
0.3 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.5 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• taste {after 2-3 min chewing}
  unknown
• 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
  medium distance smooth
Morphology of the unramified ends
• mantle hydrophobicity presence
  present
• shape
  straight
or    bent
or    sinuous [slightly]
• shape {of distal end}
  not inflated, cylindric
• diameter
  unknown
• colour
  white
• very tip colour
  unknown
• after injury colour
  unchanged
• older parts colour
  unknown
• mantle cortical cells visibility
  not visible
• mantle {distinct} surface visibility
  present
• mantle transparency
  unknown
• mantle laticifers visibility
  absent
• mantle secreted latex {after scratching mantle} presence
  absent
• mantle dots presence-colour
  absent
• mantle carbonizing presence
  absent
• mantle surface {in general} habit
  silvery
or    covered with soil particles
or    not smooth
• mantle surface {in detail} kind
  densely woolly
• emanating hyphae presence
  present
• emanating hyphae abundance
  infrequent
• emanating hyphae distribution
  unknown
Morphology of rhizomorphs
• diameter
0.4 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.5 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• cross-section shape
  cushion-shaped (semicircular)
• colour
  white
• after injury colour
  unknown
• ramification kind-frequency
  infrequently, at restricted points
• connection to mantle kind
  distinct
• origin location
  proximal
• connection to substrate
  almost consistently growing along roots
• margin habit
  woolly
• dimorphism presence
  unknown
Morphology of sclerotia
• presence
  absent

Anatomy

Anatomical features of the entire mycorrhiza
• emanating elements presence-type
  rhizomorphs
or    emanating hyphae
or    cystidia
• emanating elements cystidia location
  on outer mantle layer [rather on emanating hyphae]
or    on rhizomorphs
• crystals presence
  absent
• blue granules presence
  absent
Anatomy of laticifers
• presence
  absent [vessel-like hyphae in middle mantle layers]
• anatomy entire mycorrhiza laticiferous solitary (gloeoplerous) cells presence
  absent
Anatomical features of the mantle
• completeness
  complete
• matrix presence
  present
• matrix location
  outer mantle layer {apart from tip}
Anatomy of the outer mantle layer apart from the ectormycorrhizal tip
• organisation
  plectenchymatous
• mantle type
  hyphae arranged net-like, with prominent cystidia (type D)
• matrix kind
  gelatinous
• hyphae short protrusions presence
  present
• hyphae sticky matrix on hyphal surface presence
  unknown
• hyphae hyphal junctions angle {between}
  ca. 90°
and    ca. 120°
• septa thickness {relative to cell walls}
  thinner than walls
• septa clamps presence
  absent
• cell shape
  variable
• cell pigment location-colour
  absent
• cell contents presence-kind
  absent
• cell diameter
3 µm    Lower value of unspecified range (could be µ-s.d., but not known)
6 µm    Upper value of unspecified range (could be µ+s.d., but not known)
12 µm    Maximum value
• cell length
10 µm    Lower value of unspecified range (could be µ-s.d., but not known)
70 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• cell wall thickness
0.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
1.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
2.5 µm    Maximum value
• cell wall surface habit
  smooth
• drops of exuded pigment presence
  absent
• roundish plasmatically yellow cells presence
  absent
• pigment granula on surface presence
  absent
Anatomy of the middle mantle layer
• presence
  present
• organisation
  pseudoparenchymatous
• matrix kind
  not applicable
• cell shape
  polygonal
• incomplete septa presence
  present
• cell pigment location-colour
  colourless
• cell diameter
5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
15 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• cell length
10 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)
• cell density
  unknown
• cell contents presence-kind
  absent
• cell wall thickness
1 µm    Lower value of unspecified range (could be µ-s.d., but not known)
3 µm    Upper value of unspecified range (could be µ+s.d., but not known)
Anatomy of the inner mantle layer
• organisation
  pseudoparenchymatous
• hyphae vessel-like presence
  present
• hyphae vessel-like diameter
6 µm    Lower value of unspecified range (could be µ-s.d., but not known)
12 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• hyphae vessel-like wall thickness
1 µm    Lower value of unspecified range (could be µ-s.d., but not known)
2.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• septa thickness
  unknown
• septa clamps presence
  absent
• cell pigment location-colour
  absent
• cell diameter
5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
20 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• cell length
10 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)
50 µm    Maximum value
• cell density
  unknown
• cell contents presence-kind
  absent
Anatomy of the outer mantle layer of the ectormycorrhizal tip
• anatomy mantle outer mantle layer {of ectomycorrhizal tip} organisation
  like other parts of mantle
Anatomy of the mantle in longitudinal section



Anatomy of the mantle in cross-section



Anatomy of the emanating elements in general
• intrahyphal hyphae presence
  present
• intrahyphal hyphae clamps presence
  absent
• anastomoses type
  open, with a short bridge or bridge almost lacking
Anatomy of cystidia

Anatomy of cystidia (type 1)
• type
  flask-shaped with an apical knob (type D)
• apical knobs number
1     Mean (= average)
• apical knobs arrangement
  symmetrically
• apical knobs shape
  globose
• apical knobs diameter
2 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)
• apical knobs length
2 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)
• apical knobs wall thickness
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)
• apical knobs cell wall thickness {relative to cystidial body}
  thicker than those of cystidial body
• septa presence
  present
• septa kind
  simple
• septa distance {between}
  unknown
• septa 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
• basal clamp walls abruptly thick
  absent
• foot cell presence
  absent
• diameter {proximal}
  unknown
• diameter {distal}
  unknown
• length
  unknown
• cell wall colour
  absent
• cell wall colour {relative to mantle cells}
  similar
• cell wall thickness
0.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
1.5 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
  unknown
• surface habit
  smooth
• contents presence
  present
• contents type
  finely granular

Anatomy of cystidia (type 2)
• type
  awl-shaped, bristle-like (type A)
or    normal hypha but often twisted like a cork-screw (type L) [not twisted]
• ramification presence-position
  absent
or    proximal, branches unramified [infrequenty]
• ramification type
  unknown
• septa presence
  unknown
• septa kind
  simple
• septa distance
  unknown
• septa number
  unknown
• basal clamp walls abruptly thick
  absent
• foot cell presence
  absent
• diameter {proximal}
3 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)
• diameter {distal}
3 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
  unknown
• cell wall colour
  absent
• cell wall colour {relative to mantle cells}
  similar
• cell wall thickness
1 µm    Lower value of unspecified range (could be µ-s.d., but not known)
1.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• cell wall evenness
  unknown
• cell wall thickness {relative to mantle cells}
  unknown
• surface habit
  smooth
• contents presence
  unknown
• contents type
  unknown
Anatomy of emanating hyphae
• drops of exuded pigment presence
  absent


Anatomy of the septa of emanating hyphae
• clamps presence
  absent


Anatomy of the cells of emanating hyphae
• anatomy emanating elements emanating hyphae cell diameter
2 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 emanating elements emanating hyphae cell wall surface habit
  smooth


Anatomy of rhizomorphs
• type
  highly differentiated; thick hyphae forming mostly a core, septa often partially or completely dissolved
(type F)
• nodia presence
  absent
• internal nodia presence
  absent
• gelatinous matrix presence
  present
• gelatinized hyphae presence
  absent
• hyphae distinctly different diameter
  absent
• cup-like structures on surface presence
  absent
• conical young side-branches presence
  absent
• a "ball" of intertwined, ramified, thin hyphae presence
  absent

Anatomy of hyphae in rhizomorphs
• anatomy emanating elements rhizomorphs clamps presence
  absent
• contents presence-kind
  unknown
• ampullate, trumpet-like inflated presence
  absent
• roundish plasmatically yellow cells presence
  absent
• anatomy emanating elements rhizomorphs ladder-like hyphae presence
  present
• anatomy emanating elements rhizomorphs ladder-like hyphae diameter
8 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)
• anatomy emanating elements rhizomorphs ladder-like hyphae wall thickness
1 µm    Lower value of unspecified range (could be µ-s.d., but not known)
2.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
3 µm    Maximum value
Anatomy of vessel-like or thickened hyphae in rhizomorphs
• anatomy emanating elements rhizomorphs clamps presence
  absent
• anatomy emanating elements rhizomorphs hyphae contents presence-kind
  unknown
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
• anatomy emanating elements rhizomorphs hyphae roundish plasmatically yellow cells presence
  absent
• anatomy emanating elements rhizomorphs ladder-like hyphae presence
  present
• anatomy emanating elements rhizomorphs ladder-like hyphae diameter
8 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)
• anatomy emanating elements rhizomorphs ladder-like hyphae wall thickness
1 µm    Lower value of unspecified range (could be µ-s.d., but not known)
2.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
3 µm    Maximum value
Anatomy of central non-vessel-like hyphae in rhizomorphs
• anatomy emanating elements rhizomorphs clamps presence
  absent
• anatomy emanating elements rhizomorphs hyphae contents presence-kind
  unknown
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
• anatomy emanating elements rhizomorphs hyphae roundish plasmatically yellow cells presence
  absent
• anatomy emanating elements rhizomorphs ladder-like hyphae presence
  present
• anatomy emanating elements rhizomorphs ladder-like hyphae diameter
8 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)
• anatomy emanating elements rhizomorphs ladder-like hyphae wall thickness
1 µm    Lower value of unspecified range (could be µ-s.d., but not known)
2.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
3 µm    Maximum value
Anatomy of peripheral hyphae in rhizomorphs
• anatomy emanating elements rhizomorphs clamps presence
  absent
• anatomy emanating elements rhizomorphs hyphae contents presence-kind
  unknown
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
• anatomy emanating elements rhizomorphs hyphae roundish plasmatically yellow cells presence
  absent
• anatomy emanating elements rhizomorphs ladder-like hyphae presence
  present
• anatomy emanating elements rhizomorphs ladder-like hyphae diameter
8 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)
• anatomy emanating elements rhizomorphs ladder-like hyphae wall thickness
1 µm    Lower value of unspecified range (could be µ-s.d., but not known)
2.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
3 µm    Maximum value
Anatomy of solitary thick-walled hyphae in rhizomorphs
• anatomy emanating elements rhizomorphs clamps presence
  absent
• anatomy emanating elements rhizomorphs hyphae contents presence-kind
  unknown
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
• anatomy emanating elements rhizomorphs hyphae roundish plasmatically yellow cells presence
  absent
• anatomy emanating elements rhizomorphs ladder-like hyphae presence
  present
• anatomy emanating elements rhizomorphs ladder-like hyphae diameter
8 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)
• anatomy emanating elements rhizomorphs ladder-like hyphae wall thickness
1 µm    Lower value of unspecified range (could be µ-s.d., but not known)
2.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
3 µm    Maximum value
Anatomy of chlamydospores
• presence
  absent

Chemical reactions

• reaction with cotton-blue-lactic-acid presence
  present [thin cell walls blue, tick, light-reflecting cell walls of outer mante hyphae and cystidia unstained]
• reaction with KOH 10% presence
  present [cell walls swell completely, afterards almost invisible]
• reaction with Melzer's reagent presence
  absent

Ecology

• geographic occurrence continent
  Africa
• knowledge about association with foreign fruitbodies presence
  unknown

Tree

• plant family
  Euphorbiaceae
• plant genus
  Uapaca
• plant habitat kind
  forests, woods

Fungus

• family
  Russulaceae
• subgenus-section
  Russula sect. Gossypinae
• fruitbodies growth habit
  epigeous
or    pileate-lamellate

– Item listing –