PDD 26387 – Lactarius tawai McNabb
Data provider:
New Zealand Fungarium - Te Kohinga Hekaheka o Aotearoa
Barcode:
PDD 26387
Type status:
Holotype
Specimen type:
Packet
Database record added:
12 June 2001
Database record updated:
24 February 2023
Components
Primary component
Active identification
Determined name:
Lactarius tawai
Determiner:
R.F.R. McNabb
Identification date:
Preferred name:
Lactarius tawai McNabb
Division:
Basidiomycota
Class:
Agaricomycetes
Order:
Russulales
Family:
Russulaceae
Identification type:
Determination
Type status:
Holotype
Associations:
has host Nothofagus solandri
Substrate:
ground
Other components
Active identification
Determined name:
Nothofagus solandri
Determiner:
Identification date:
Preferred name:
Fuscospora solandri
Division:
Tracheophyta
Class:
Magnoliopsida
Order:
Fagales
Family:
Nothofagaceae
Identification type:
Determination
Present:
no
Collection events
Primary collection event
Collection event type:
Unknown
Standard locality
Location:
Tongariro National Park, Whakapapaiti Stream
Georeferences:
Latitude and Longitude (WGS84):
-39.2272 175.505
Verbatim locality:
Tongariro National Park, Whakapapaiti Stream
Verbatim collector:
R.F.R. McNabb
Standardised collector:
Robert F. R. McNabb
Collectors reference no.:
RFRM 6 (Lactarius)
Verbatim date:
1967/05/02
Start date:
1967-05-02
Country:
New Zealand
New Zealand Area Codes:
Taupo
Native lands:
Ngāti Hāua (Upper Whanganui)
Ngāti Tūwharetoa
Te Korowai o Wainuiārua (Central Whanganui)
Whanganui Iwi / Te Atihaunui a Pāpārangi
Georeferences:
New Zealand Map Grid:
2726130E 6216910N (WGS84 -39.225199 175.503044)
Specimen notes
Public Note:
[McNabb] #6 Lactarius sp A. Pileus: 5.5cm diam., deeply infundibuliform, viscid and sticky, with a clear mucilagnious covering, smooth, difficult to tell texture under lens, faintly concentrically marked, band of pallid dull orange (c 6B4), remainder dull orange reddish brown c 8C6-9D5-6 (no good colour marker in book). Margins entire, inrolled, slightly ragged and tomentose. Gills: cream turning dark cream, to 4mm deep, not discoloured, exuding viscid white milk where damaged, lamellulae simple or more often branched at any point from stipe to margins. Lamellulae present often in some sequence, at maturity with a definite pink tinge [noted again on separate paper]. Stipe: 2.5cm long, equal, 1.2-1.4 cm diam., sold to hollow, dry, annulus absent, no indication of veilar remnants, innately oruinoise under lens, dull yellowish white with faint purplish grey tints, or faintly purplish grey all over (c 14B2-3). Flesh browinish white, firm unchanging, rather coarsely granular. Context of Pileus: brownish to yellowish, white, firm, unchanging, rather coarsely granular. Slemm:-. Taste: gills and context not distinctive. Spore print: not obtained. Chemical reactions: Formalin n.r. Phenol - deep red slowly. FeSO4- faint greyish. Guiaicol - on stipe base - faint slamon pink after a time. KOH - on pileus darkening to orange brown. NH4OH - pileus n.r. [Horak] HABITAT/SUBSTRATE: EM. - On soil under Nothofagus solandri. FRUITING: May. SPECIMENS EXAMINED: NEW ZEALAND: Taupo, Tongariro N.P., Chateau, Whakapapaiti Stream, 2 May 1967, R.F.R.McNabb (holotype PDD 26387, isotype ZT 69-320). [Cooper] There are two holotype packets, one with just small gill fragments. Lactiferous sinuose hyphae in gill but no cystidia elements seen. Spores length=6.5–7.4µm (µ=7.0, σ=0.25), width=4.5–5.7µm (µ=5.1, σ=0.34), Q=1.2–1.6µm (µ=1.36, σ=0.11), n=20, ornamentation to 0.9um high. Plage indistinct and amyloid spot sporadic.
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