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 –