Descolea antarctica Singer + Nothofagus

– Item listing –

Literature

references
  Palfner G (1997) Descolea antarctica Singer + Nothofagus alpina (Poepp. et Endl.) Oerst. Descr Ectomyc 2: 7-12.
Palfner G (1998) Descolea antarctica. In Agerer R (ed) Colour Atlas of Ectomycorrhizae, plate 116, Einhorn-Verlag, Schwäbisch Gmünd.
Palfner G (2001) Taxonomische Studien an Ektomykorrhizen aus den Nothofagus-Wäldern Mittelsüdchiles. Bibliotheca Mycologica Vol. 190, Cramer, Berlin Stuttgart.

Morphology

Morphology of the mycorrhizal system
length
1 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-pinnate
or    monopodial-pyramidal
tips {per 10 mm} number
26     Lower value of unspecified range (could be µ-s.d., but not known)
28     Upper value of unspecified range (could be µ+s.d., but not known)
ramification orders
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
main axis diameter
0.15 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.3 mm    Upper value of unspecified range (could be µ+s.d., but not known)
rhizomorphs as stout, short, conical structures presence-abundance
  absent
rhizomorphs as short mycorrhiza-like outgrowths with blunt tips presence
  absent
rhizomorphs presence
  absent
exploration type
  short distance
Morphology of the unramified ends
shape
  straight
or    bent
shape {of distal end}
  not inflated, cylindric
length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
3 mm    Upper value of unspecified range (could be µ+s.d., but not known)
diameter
0.15 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.2 mm    Upper value of unspecified range (could be µ+s.d., but not known)
colour
  brown
or    ochre, yellowish brown
older parts colour
  brown
mantle cortical cells visibility
  not visible
mantle {distinct} surface visibility
  present
mantle transparency
  not transparent
mantle laticifers visibility
  absent
mantle dots presence-colour
  absent
mantle carbonizing presence
  absent
mantle surface {in general} habit
  smooth
or    not smooth
mantle surface {in detail} kind
  densely short-spiny
emanating hyphae presence
  present
emanating hyphae abundance
  infrequent
Morphology of sclerotia
presence
  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
matrix presence
  present
matrix location
  inner mantle layer
Anatomy of the outer mantle layer apart from the ectormycorrhizal tip
organisation
  plectenchymatous
mantle type
  hyphae arranged net-like, with prominent cystidia (type D)
septa thickness {relative to cell walls}
  as thick as walls
cell pigment location-colour
  absent
cell diameter
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)
5 µm    Maximum value
cell length
15 µm    Lower value of unspecified range (could be µ-s.d., but not known)
75 µm    Upper value of unspecified range (could be µ+s.d., but not known)
80 µm    Maximum value
cell wall thickness
0.5 µm    Mean (= average)
0.8 µm    Maximum value
cell wall surface habit
  smooth
drops of exuded pigment presence
  absent
Anatomy of the middle mantle layer
organisation
  plectenchymatous
hyphae arrangement
  plectenchymatous, without pattern
cell pigment location-colour
  colourless
cell diameter
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)
cell length
8 µm    Minimum value
15 µm    Lower value of unspecified range (could be µ-s.d., but not known)
50 µm    Upper value of unspecified range (could be µ+s.d., but not known)
120 µm    Maximum value
cell wall thickness
0.5 µm    Mean (= average)
cell wall surface habit
  smooth
Anatomy of the inner mantle layer
organisation
  plectenchymatous
matrix kind
  not gelatinous
hyphae arrangement
  without pattern
septa clamps presence
  present
cell pigment location-colour
  absent
cell diameter
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)
6 µm    Maximum value
cell length
3 µm    Minimum value
5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
35 µm    Upper value of unspecified range (could be µ+s.d., but not known)
50 µm    Maximum value
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
mantle thickness {apart from tip}
10 µm    Minimum value
15 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)
30 µm    Maximum value
mantle different layers presence
  not discernable
or    discernable
outer mantle layer organisation
  plectenchymatous
outer mantle layer hyphae tangentially length
2 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)
20 µm    Maximum value
outer mantle layer hyphae radially diameter
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
18 µm    Upper value of unspecified range (could be µ+s.d., but not known)
32 µm    Maximum value
middle mantle layer organisation
  plectenchymatous
middle mantle layer hyphae radially diameter
1.5 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)
inner mantle layer organisation
  plectenchymatous
inner mantle layer hyphae tangentially length
2 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)
18 µm    Maximum value
inner mantle layer hyphae radially diameter
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)
6 µm    Maximum value

Anatomy of the tannin cells in longitudinal section
presence
  absent

Anatomy of the cortical cells in longitudinal section
anatomy mantle longitudinal section cortical (epidermal) cells shape
  radially-oval to -elliptic, oriented obliquely
anatomy mantle longitudinal section cortical (epidermal) cells tangentially length
8 µm    Minimum value
10 µm    Lower value of unspecified range (could be µ-s.d., but not known)
22 µm    Upper value of unspecified range (could be µ+s.d., but not known)
34 µm    Maximum value
anatomy mantle longitudinal section cortical (epidermal) cells radially diameter
28 µm    Minimum value
32 µm    Lower value of unspecified range (could be µ-s.d., but not known)
50 µm    Upper value of unspecified range (could be µ+s.d., but not known)

Anatomy of the Hartig net in longitudinal section
presence
  present
kind
  paraepidermal
anatomy mantle longitudinal section hyphal cells around cortical (epidermal) cells shape
  roundish
or    cylindrical
or    beaded
anatomy mantle longitudinal section hyphal cells around cortical cells (epidermal) 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)
4 µm    Maximum value
anatomy mantle longitudinal section hyphal rows around cortical (epidermal) cells number
  one
structure {in plan view}
  of palmetti type
lobes width
1 µm    Minimum value
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)
5 µm    Maximum value
Anatomy of the mantle in cross-section
mantle different layers presence
  not discernible
or    discernible
outer mantle layer organisation
  plectenchymatous
outer mantle layer hyphae tangentially length
2 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)
20 µm    Maximum value
outer mantle layer hyphae radially diameter
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)
middle mantle layer organisation
  plectenchymatous
middle mantle layer hyphae tangentially length
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
18 µm    Upper value of unspecified range (could be µ+s.d., but not known)
32 µm    Maximum value
middle mantle layer hyphae radially diameter
1.5 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)
inner mantle layer organisation
  plectenchymatous
inner mantle layer hyphae tangentially length
2 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)
18 µm    Maximum value
inner mantle layer hyphae radially diameter
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)
6 µm    Maximum value



Anatomy of the Hartig net in cross-section
presence
  present
kind
  apparently two rows deep
Anatomy of the emanating elements in general
intrahyphal hyphae presence
  absent
Anatomy of cystidia

Anatomy of cystidia (type 1)
type
  lateral, with tapering, knob-bearing, capitate outgrowth (type M)
density
1     Minimum value
2     Lower value of unspecified range (could be µ-s.d., but not known)
6     Upper value of unspecified range (could be µ+s.d., but not known)
apical knobs number
1     Mean (= average)
apical knobs arrangement
  symmetrically
apical knobs shape
  globose
apical knobs diameter
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)
apical knobs length
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)
apical knobs wall thickness
0.5 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)
septa presence
  absent
or    present
septa kind
  absent, with basal clamp only
or    simple
length
15 µm    Minimum value
20 µm    Lower value of unspecified range (could be µ-s.d., but not known)
36 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
cell pigment location-colour
  absent
drops of exuded pigment presence
  absent


Anatomy of the septa of emanating hyphae
clamps presence
  present

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

Anatomy of the cells of emanating hyphae
anatomy emanating elements emanating hyphae cell wall surface habit
  smooth
or    without lens-shaped appositions
or    without spindle-shaped appositions


Anatomy of rhizomorphs
type
  lacking, only emanating hyphae present
(type G)

Anatomy of hyphae in rhizomorphs
Anatomy of chlamydospores
presence
  absent
Anatomy of haustoria
{of ectomycorrhiza former} presence
  absent
{of foreign origin} presence
  absent

Autofluorescence

whole mycorrhizae UV 254 nm colour-presence
  absent
whole mycorrhizae UV 366 nm colour-presence
  absent
mantle in section UV-filter 340-380 nm presence
  present
mantle in section blue-filter, 450-490 nm presence
  absent
mantle in section green-filter, 530-560 nm presence
  absent

Chemical reactions

reaction with acid fuchsin presence
  absent
reaction with anilin presence
  absent
reaction with brillant-cresyl-blue presence
  absent
reaction with cotton-blue-lactic-acid presence
  absent
reaction with ethanol 70% presence
  absent
reaction with FeSO4 presence
  present
reaction with formol 40% presence
  absent
reaction with guaiac presence
  absent
reaction with KOH 10% presence
  absent
reaction with lactic acid presence
  absent
reaction with Melzer's reagent presence
  absent
reaction with phenole presence
  absent
reaction with phenole-aniline presence
  absent
reaction with ruthenium-red presence
  absent
reaction with sulpho-vanillin presence
  present

Ecology

geographic occurrence continent
  South America
knowledge about association with foreign fruitbodies presence
  unknown

Tree

plant family
  Fagaceae
plant genus
  Nothofagus
plant habitat kind
  forests, woods

Fungus

family
  Bolbitiaceae
fruitbodies growth habit
  epigeous
or    pileate-lamellate

Remarks

public notes
  Mycorrhizal systems irregularly monopodial-pinnate to monopodial-pyramidal; mycorrhizal ends ochre to light brown, older parts brownish; outer mantle layers in plan view with elbow-like protrusions of hyphae; inner mantle layers in plan view with frequent clamps; cystidia bearing hyphae 20-35(-45) um long and free part distal to cystidium 5-15 um long, very infrequently with an intercalary clamp, cystidial globule 3-5 um in diam.; Hartig net in section only sometimes slightly beaded; autofluorecence of mantle in section with UV-filter with bluish-white cell walls, cytidia and cystidia-bearing hyphae with brighter cell walls; mantle in sulfo-vanillin pinkish, in FeSO4 mantle weakly greyish green, cystidia with no reaction.

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