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 Russula tricholomopsis
BiostatusPresent in region - Indigenous. Endemic
Images (click to enlarge) | 
Owner: J.A. Cooper | 
Owner: J.A. Cooper | 
Owner: P. Leonard | 
Caption: FUNNZ2007/0373
Owner: FUNNZ | 
Caption: Dried type specimen
Owner: Herb PDD |
Article: McNabb, R.F.R. (1973). Russulaceae of New Zealand. 2. Russula Pers. ex S.F. Gray. New Zealand Journal of Botany 11(4): 673-730 (http://www.rsnz.org/publish/abstracts.php).
Description: pileus: 2.5 cm
diam., plano-convex, dry, tomentose to villose, vinaceous purple with greyish
brown overtones imparted by the tomentum; margins entire, slightly involute,
non-pectinate. Cuticle composed of erect, thick-walled, scabrous, yellowish
brown, septate, hair-like hyphae to 300 µm long, 3.5-5 µm diam., without coloured
contents in KOH, terminal cells tapering apically, originating from inflated,
short-celled hyphae; pilocystidia absent. lamellae: adnexed,
crowded, simple, to 3 mm deep, bright yellow, not discoloured at maturity, lamellulae
absent. stipe: 3.5 cm long, tapering apically to 0.6
cm diam., 0.8 cm diam. basally, solid, dry, finely
granular-furfuraceous under lens, pinkish red,
white flesh showing through; flesh white. Cuticle composed of interwoven, ±
repent hyphae 3-7 µm diam., aggregated into clumps with ends projecting obliquely
or at right angles to surface, terminal cells unspecialised, smooth, or scabrous.
spores: spore print not obtained; spores broadly elliptical, obliquely
apiculate, apiculus to 1.5 µm long, 10-12 X 9-10.5 µm, ornamentation moderately
dense, of amyloid or partially inamyloid, truncated spines to 1.4-(1.8) µm high,
typically joined basally by fine amyloid ridges and forming a partial reticulum,
in small confluent groups, or occasionally isolated; plage conspicuous. hymenium: basidia hyaline, clavate, 37-50 X 11-15.5
µm, 4-spored, sterigmata to 8 µm long; pleurocystidia scattered, numerous,
broadly fusiform, tinted, thin-walled, contents inconspicuous, projecting to
30 µm beyond basidia, 50-77 X 10.5-17.5 µm, cheilocystidia similar to pleurocystidia
but shorter and narrower. hymenophoral trama:
heteromerous, intermixed. context
of pileus: fresh, colour
unknown. Yellowish when dry; structure heteromerous, clamp connections absent.
Habitat: Solitary on rotten wood of Nothofagus,
and under Leptospermum sp.
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