• references | |
Brand F (1988) Laccaria amethystina. In Agerer R (ed) Colour Atlas of Ectomycorrhizae, plate 18, Einhorn-Verlag, Schwäbisch Gmünd. Brand F, Agerer R (1986) Studien an Ektomykorrhizen VIII. Die Mykorrhizen von Lactarius subdulcis, Lactarius vellereus und Laccaria amethystina an Buche. Z Mykol 52: 287-320. Meyer FH (1963) Laccaria amethystina (Bolt. ex Fr.) Berk. et Br., ein zur Mykorrhizabildung an der Buche befähigter Pilz. Ber Dtsch Bot Ges 76: 90-96. |
• length | |
0 mm | Lower value of unspecified range (could be µ-s.d., but not known) |
6 mm | Upper value of unspecified range (could be µ+s.d., but not known) |
• ramification presence-type | |
monopodial-pinnate | |
or | monopodial-pyramidal |
• 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) |
• main axis diameter | |
0.4 mm | Lower value of unspecified range (could be µ-s.d., but not known) |
0.55 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 | |
present | |
• rhizomorphs frequency | |
infrequent | |
• exploration type | |
medium distance smooth |
• shape | |
straight | |
• 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 | |
0.35 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) |
• colour | |
brown | |
or | ochre, yellowish brown |
or | grey |
• very tip colour | |
violet, dark reddish blue | |
• older parts colour | |
brown | |
or | ochre, yellowish brown |
or | grey |
• 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 | |
not smooth | |
• mantle surface {in detail} kind | |
loosely cottony | |
• emanating hyphae presence | |
present | |
• emanating hyphae abundance | |
infrequent | |
• emanating hyphae distribution | |
concentrated proximally |
• cross-section shape | |
round or roundish | |
• colour | |
violet, dark reddish blue | |
or | grey |
or | whitish |
• ramification kind-frequency | |
infrequently, at restricted points | |
• origin location | |
proximal | |
• margin habit | |
hairy | |
• dimorphism presence | |
absent |
• presence | |
absent |
• emanating elements presence-type | |
rhizomorphs | |
• blue granules presence | |
absent |
• presence | |
absent |
• organisation | |
plectenchymatous | |
• mantle type | |
hyphae rather irregularly arranged and no special pattern discernible (type B) | |
• hyphal system kind | |
with rather short, obtuse, even finger-like branches | |
• septa thickness {relative to cell walls} | |
as thick as walls | |
• cell shape | |
cylindric, not constricted at septa | |
• cell diameter | |
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) |
• cell wall thickness | |
0.2 µm | Mean (= average) |
• cell wall surface habit | |
smooth | |
• drops of exuded pigment presence | |
absent |
• organisation | |
plectenchymatous | |
• hyphae arrangement | |
plectenchymatous, without pattern | |
• cell diameter | |
3.5 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) |
9 µm | Maximum value |
• cell wall thickness | |
0.2 µm | Mean (= average) |
• cell wall surface habit | |
smooth |
• organisation | |
plectenchymatous | |
• hyphae arrangement | |
ring-like | |
• septa clamps presence | |
absent | |
• cell diameter | |
2.5 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) |
• anatomy mantle outer mantle layer {of ectomycorrhizal tip} organisation | |
like other parts of mantle |
• mantle thickness {apart from tip} | |
25 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
45 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
70 µm | Maximum value |
• mantle different layers presence | |
discernable | |
• outer mantle layer organisation | |
plectenchymatous | |
• outer mantle layer hyphae tangentially length | |
2.5 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) |
• outer mantle layer hyphae radially diameter | |
1.5 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) |
• inner mantle layer organisation | |
plectenchymatous | |
• inner mantle layer hyphae radially 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) |
6 µm | Maximum value |
• presence | |
absent |
• presence | |
present | |
• kind | |
periepidermal | |
or | in two rows, not reaching endodermis |
• mantle different layers presence | |
discernible | |
• outer mantle layer organisation | |
plectenchymatous | |
• outer mantle layer hyphae tangentially length | |
2.5 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) |
• outer mantle layer hyphae radially diameter | |
1.5 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) |
3.8 µm | Maximum value |
• inner mantle layer organisation | |
plectenchymatous | |
• inner mantle layer hyphae radially 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) |
6 µm | Maximum value |
• presence | |
absent |
• presence | |
present | |
• kind | |
apparently two rows deep | |
or | apparently one and a half row deep |
• anatomy mantle cross-section hyphal cells around cortical (epidermal) cells shape | |
cylindrical | |
• anatomy mantle cross-section hyphal cells around cortical (epidermal) cells thickness | |
1.5 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) |
• anatomy mantle cross-section hyphal rows around cortical (epidermal) cells number | |
one | |
• lobes width | |
0.5 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) |
• structure {in plan view} | |
of palmetti type |
• anastomoses type | |
open, with a short bridge or bridge almost lacking | |
• anastomoses cell wall thickness {relative to remaining cell walls} | |
as thick as | |
• anastomoses anastomosal bridge thickness {relative to hyphae} | |
thinner | |
or | as thick as |
• drops of exuded pigment presence | |
absent |
• distance {from septum} | |
adjacent to septum | |
or | one or two hyphal diam. below the septum |
• clamps presence | |
present | |
• clamps outline {in lateral view} | |
less than a semicircle | |
or | not constricted at contact point to subtending hyphal cell |
• clamps width {relative to hypha in lateral view} | |
thinner than | |
or | as broad as |
• clamps hole presence | |
absent | |
• clamps blister-like structure {at basis} presence | |
absent |
• presence | |
absent |
• anatomy emanating elements emanating hyphae cell diameter | |
2.5 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) |
• anatomy emanating elements emanating hyphae cell length | |
70 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
200 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) |
• type | |
undifferentiated; margins rather smooth; hyphae compactly arranged and of uniform diameter (type B) |
|
• internal nodia presence | |
absent | |
• gelatinized hyphae presence | |
absent | |
• a "ball" of intertwined, ramified, thin hyphae presence | |
absent |
• presence | |
absent |
• {of ectomycorrhiza former} presence | |
absent | |
• {of foreign origin} presence | |
absent |
• number {per cell} | |
2 | Mean (= average) |
• shape | |
round | |
• 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) |
• length | |
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) |
• geographic occurrence continent | |
Europe | |
• knowledge about association with foreign fruitbodies presence | |
unknown |
• plant family | |
Fagaceae | |
• plant genus | |
Fagus | |
• plant habitat kind | |
forests, woods |
• family | |
Tricholomataceae | |
• fruitbodies growth habit | |
epigeous | |
or | pileate-lamellate |
• public notes | |
Autofluorescence of mantle in section with UV-filter inclusive emanating hyphae light blue, with blue-filter inclusive emanating hyphae greenish orange; mantle in KOH pigment not bleaching rather becoming more intense, in lactic acid violet pigment bleaching and at first becoming vinaceous, in brillant-cresyl-blue walls violet, in toluidin-blue blue-violet, in cotton-blue walls bluish, in ethanol violet pigment bleaching, in phenole violet pigment bleaching, in chlorazol-black blue-grey. |