– Enlarged view – |
• references | |
Agerer R (1986) Studies on ectomycorrhizae III. Mycorrhizae formed by four fungi in the genera Lactarius and Russula on spruce. Mycotaxon 27: 1-59. Agerer R (1987) Russula xerampelina. In Agerer R (ed) Colour Atlas of Ectomycorrhizae, plate 2, Einhorn-Verlag, Schwäbisch Gmünd. - |
• ramification presence-type | |
monopodial-pinnate | |
• tips {per 10 mm} 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) |
• 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 | |
contact |
• 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) |
2 mm | Upper value of unspecified range (could be µ+s.d., but not known) |
• diameter | |
0.24 mm | Minimum value |
0.33 mm | Lower value of unspecified range (could be µ-s.d., but not known) |
0.39 mm | Upper value of unspecified range (could be µ+s.d., but not known) |
0.48 mm | Maximum value |
• colour | |
brown | |
• older parts colour | |
dark brown | |
or | red |
• 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 | |
shiny | |
or | smooth |
• emanating hyphae presence | |
present | |
• emanating hyphae abundance | |
infrequent |
• cross-section shape | |
round or roundish | |
• colour | |
whitish | |
• origin location | |
proximal | |
• dimorphism presence | |
absent |
• presence | |
absent |
• emanating elements presence-type | |
rhizomorphs | |
or | cystidia |
• emanating elements cystidia location | |
on outer mantle layer |
• presence | |
absent |
• organisation | |
plectenchymatous | |
• mantle type | |
a net of coarse and irregularly shaped hyphae (type H) | |
• septa thickness {relative to cell walls} | |
as thick as walls | |
• septa clamps presence | |
absent | |
• cell shape | |
cylindric, not constricted at septa | |
• cell diameter | |
4 µm | Minimum value |
5 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
7 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 | |
• drops of exuded pigment presence | |
absent |
• organisation | |
plectenchymatous | |
• hyphae arrangement | |
without pattern | |
• septa clamps presence | |
absent | |
• cell diameter | |
2.5 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 mantle outer mantle layer {of ectomycorrhizal tip} organisation | |
like other parts of mantle | |
or | plectenchymatous |
• mantle thickness {apart from tip} | |
20 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
30 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• mantle different layers presence | |
discernable | |
• outer mantle layer organisation | |
pseudoparenchymatous | |
• outer mantle layer hyphae tangentially length | |
6 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
10 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
15 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 | |
pseudoparenchymatous | |
• middle mantle layer hyphae tangentially length | |
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) |
• middle mantle layer hyphae radially 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) |
8 µm | Maximum value |
• inner mantle layer organisation | |
pseudoparenchymatous | |
• inner mantle layer hyphae tangentially length | |
3 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) |
• inner mantle layer hyphae radially diameter | |
2 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) |
• presence | |
present | |
• shape | |
tangentially-oval, -elliptic or -cylindrical, and oriented in parallel to root axis | |
• tangentially length | |
30 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
60 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
80 µm | Maximum value |
• radially diameter | |
4 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
10 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• anatomy mantle longitudinal section cortical (epidermal) cells shape | |
tangentially-oval to -elliptic or -cylindrical, and oriented obliquely | |
• anatomy mantle longitudinal section cortical (epidermal) cells tangentially length | |
30 µm | Minimum value |
40 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
60 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
80 µm | Maximum value |
• anatomy mantle longitudinal section cortical (epidermal) cells radially diameter | |
12 µm | Minimum value |
15 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) |
28 µm | Maximum value |
• mantle different layers presence | |
discernible | |
• outer mantle layer organisation | |
pseudoparenchymatous | |
• outer mantle layer hyphae tangentially length | |
2 µm | Minimum value |
6 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
10 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
14 µm | Maximum value |
• outer mantle layer hyphae radially diameter | |
2 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) |
• middle mantle layer organisation | |
pseudoparenchymatous | |
• middle mantle layer hyphae tangentially length | |
2 µm | Minimum value |
5 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
9 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
15 µm | Maximum value |
• middle mantle layer hyphae radially diameter | |
2 µm | Minimum value |
3 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 |
• inner mantle layer organisation | |
pseudoparenchymatous | |
• inner mantle layer hyphae tangentially length | |
2 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) |
• inner mantle layer hyphae radially diameter | |
2 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) |
• presence | |
present | |
• rows number | |
2 | Mean (= average) |
3 | Maximum value |
• shape | |
tangentially-oval to tangentially-elliptic | |
• tangentially length | |
50 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
65 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• radially diameter | |
2 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
17 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
20 µm | Maximum value |
• anatomy mantle cross-section cortical (epidermal) cells shape | |
radially-oval to -elliptic | |
• anatomy mantle cross-section cortical (epidermal) cells tangentially length | |
10 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) |
• anatomy mantle cross-section cortical (epidermal) cells radially diameter | |
20 µm | Minimum value |
27 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) |
• presence | |
present | |
• kind | |
protruding towards endodermis | |
• anatomy mantle cross-section hyphal cells around tannin cells shape | |
roundish | |
• anatomy mantle cross-section hyphal rows around tannin cells number | |
one | |
or | two |
or | three |
• anatomy mantle cross-section hyphal cells around cortical (epidermal) cells shape | |
roundish | |
• anatomy mantle cross-section hyphal rows around cortical (epidermal) cells number | |
one |
• backwards-oriented clamps presence | |
absent | |
• anastomoses location | |
not specified |
• type | |
flask-shaped with an apical knob (type D) | |
• apical knobs number | |
1 | Mean (= average) |
• diameter {proximal} | |
5 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) |
• length | |
30 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) |
• shape | |
not striking | |
• cell pigment location-colour | |
absent | |
• drops of exuded pigment presence | |
absent |
• clamps presence | |
absent | |
• clamps hole presence | |
absent | |
• clamps blister-like structure {at basis} presence | |
absent |
• anatomy emanating elements emanating hyphae cell shape | |
even | |
• anatomy emanating elements emanating hyphae 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 emanating elements emanating hyphae cell wall surface habit | |
smooth | |
or | without lens-shaped appositions |
or | without spindle-shaped appositions |
• anatomy emanating elements emanating hyphae cell wall thickness | |
0.2 µm | Mean (= average) |
• anatomy emanating elements emanating hyphae cell wall thickness at tip {relative to remaining cell wall} | |
thinner | |
• anatomy emanating elements emanating hyphae cell wall {apart from tip} evenness | |
even in thickness |
• type | |
differentiated; thick hyphae forming a core, septa complete or sometimes enlarged (type E) |
|
• internal nodia presence | |
absent | |
• cup-like structures on surface presence | |
absent | |
• a "ball" of intertwined, ramified, thin hyphae presence | |
absent |
• ampullate, trumpet-like inflated presence | |
absent |
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence | |
absent |
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence | |
absent |
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence | |
absent |
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence | |
absent |
• presence | |
absent |
• {of ectomycorrhiza former} presence | |
absent |
• number {per cell} | |
2 | Mean (= average) |
• presence | |
present | |
• frequency | |
in few cells |
• geographic occurrence continent | |
Europe |
• plant family | |
Pinaceae | |
• plant genus | |
Picea | |
• plant habitat kind | |
forests, woods |
• family | |
Russulaceae | |
• subgenus-section | |
Russula sect. Rigidae | |
• subsection | |
Russula sect. Rigidae subsect. Xerampelinae | |
• fruitbodies growth habit | |
epigeous | |
or | pileate-lamellate |
• public notes | |
Mycorrhizal ends more or less straight, dark flesh-brown, older parts dark reddish brown; autofluorescence of mantle in section with UV-filter slightly blue, with blue-filter greenish yellow; mantle hyphae in sulfo-vanillin pinkish, in brillant-cresyl-blue bright blue and after treatment with water violet-blue, in toluidin-blue violet-blue, in cotton-blue walls distinctly blue, in acid fuchsin slightly reddish; nuclei lying close together. |