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Cuphophyllus patinicolor (E. Horak) J.A. Cooper 2023 [1]

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Cuphophyllus patinicolor (E. Horak) J.A. Cooper (2023 [1])
Cuphophyllus patinicolor (E. Horak) J.A. Cooper 2023 [1]

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Endemic
Present
New Zealand
Political Region

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(E. Horak) J.A. Cooper
E. Horak
J.A. Cooper
2023
1
ICN
species
Cuphophyllus patinicolor

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patinicolor

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Holotype (PDD 27072); Isotype (Herb. HK. ZT 68/556): 'Rahiri Lodge, N of Mt. Egmont, N.Z.; leg. Horak, 17.VI.1968'.
Pileus 10-30 mm diam., convex when young later becoming plano-umbonate or depressed, at the centre distinct umbo, estriate margin of Pileus not upturned, whitish turning bluish-greenish, greenish tints especially on old carpophores, dry, not hygrophanous, minutely felty. Lamellae decurrent, whitish or cream, close, not anastomosing, gill edge even, concolorous. Stipe 12-30 x 1-3 mm, cylindric, tapering towards the base, whitish, dry, glabrous, solid becoming fistulose, single. Context whitish. Taste and odor not distinctive. Chemical reactions on Pileus: KOH, NH3 - negative. Spores 5-6 x 3.5-4.5 µm, ovoid (to subglobose), smooth, inamyloid. Basidia 35-42 x 6 µm 4-spored. Cystidia absent. Gill trama interwoven. Cuticle consisting of cylindric, not gelatinized, irregularly interwoven, repent hyphae (2-8 µm diam.) forming a cutis. Clamp connections present.
On soil amongst litter of Weinmannia, Metrosideros, Schefflera, Cyathea, etc. New Zealand.
Pileo 10-30 mm lato, e conico-convexo umbonato-depresso vel plano, albido, aetate coloribus glaucis tinctu, sicco, estriato. Lamellis decurrent bus, ex albido cremeis. Stipite 12-30 x 1-3 mm, cylindrico, basim versus attenuato, albido, sicco, longitudinaliter fibrilloso. Sporis 5-6 x 3.5-4.5 µm, ovoideis. Cystidiis nullis. Epicute ex hyphis cylindraceis irregulariter intertextis cutem formantibus, septis fibulatis. Ad terram in silvis. Novazelandia.
When young the fruiting bodies of C. patinaecolor are pure white but with aging or bruising the colour turns to a blue-green like patina. This characteristic species in its area of distribution, which probably is restricted to the podocarp-broadleaf forests, was met only once in the bush on the northern slopes of Mt. Egmont.
Holotypus (PDD 27072): 'Mt. Egmont, N.Z.; leg. Horak, 17.VI.1968'.
SPECIMEN: NZ: NA, Little Barrier Island, Mt Hauturu, ZT 921.
Pileus -35 mm, convex becoming umbonate-plane to expanded, finally centre depressed or with low but distinct umbo, margin strongly inrolled in young specimens, non striate; whitish to pale argillaceous with pale blue-green tinge (especially obvious in aged specimens); dry, glabrous to minutely felty, not hygrophanous. -Lamellae 12-22 (1-3) decurrent to arcuate, not anastomosing; whitish to pallid, edges concolorous, entire. - Stipe 12-35 x 1-3 mm cylindrical, gradually tapering towards base; concolorous with pileus; dry, glabrous, solid becoming fistulose, single. –Context whitish to pale brown, soft. - Odour and taste not distinctive or slightly unpleasant. - Chemical reactions on pileus . KOH, NH3 - negative. Spores 4.5-6 x 3.5-4.5 um, subglobose to broadly ovoid, apiculus distinct. - Basidia 30-42 x 5-6 um, 4-spored. - Cystidia absent. - Pileipellis a cutis of strongly interwoven, cylindrical hyphae (2-8 um diam.), membrane not gelatinised, finely encrusted with pigment; clamp connections present (Pl. 1, Fig. 5).
DISTRIBUTION: NZ (NA, T).
ECOLOGY: Scattered: saprobic on soil among litter in broadleaved-conifer forest (Weinmannia, Metrosideros, Schefflera, Dacrydium, Cyathea, Dicksonia). June.
ICON.: Horak (1973: 118).
TYPE: NZ: T, Egmont N. P., Rahiri Lodge, in mixed forests, 17 vi 1968, Horak, PDD 27072.

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Cuphophyllus patinicolor (E. Horak) J.A. Cooper 2023 [1]
[Not available]

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taxonomic status
Doubtfully distinct from C. impurus [JAC]

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f4b09f8e-41e1-475f-a398-7f960063cc5a
scientific name
Names_Fungi
3 March 2023
3 March 2023
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