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Amanita mumura G.S. Ridl. 1991

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Amanita mumura G.S. Ridl., Austral. Syst. Bot. 4 345 (1991)
Amanita mumura G.S. Ridl. 1991

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Endemic
Present
New Zealand
Political Region

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G.S. Ridl.
G.S. Ridl.
1991
345
ICN
Amanita mumura G.S. Ridl. 1991
NZ holotype
species
Amanita mumura
Holotype New Zealand, Wellington, Rimutaka Forest Park, Orongorongo Valley, Paua Ridge, 29.iv.1987, G. S. Ridley 444 (PDD 56203).

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mumura

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Amanita mumura G.S. Ridl. 1991

Basidiocarps small to medium, solitary. Pileus 45-64 mm, convex to piano-convex, margin appendiculate with friable volva remnants, dry, disc white to buff, pale fulvous sienna at margin, volva remnants forming complete, pulverulent, buff covering, occasionally completely eroded in older specimens. Lamellae crowded, free, 8 mm wide, white; lamellulae attenuate. Stipe 50-100 mm high, 10-32 mm diameter, clavate to sub-bulbous, hollow, smooth, buff with luteous and sienna fulvous stains, volva remnants coating the lower stipe and upper bulb in pulverulent to sub-felted, adnate layer, pale buff with luteous and sienna stains, occasionally forming spurious, inferior ring (seen only in Taylor 1168). Annulus friable, felted, disappearing in older specimens, buff to pale ochreous. Context of pileus and stipe pale buff, with some yellowing on exposure. On drying basidiocarp becoming rosy buff.

Spore print white. Basidiospores (53/5), (8-)9-12 x (6-)6.5-8.5 µm, Qm 1.40, QI-20-1.61(-1.69), broadly ellipsoid to elongate, hyaline, amyloid. Basidia 49-72.5 x 9-16 µm,4-spored,clamped. No distinct lamella margin cells observed. Pileipellis consisting of 250-340 µm wide, gelatinised suprapellis, and dense, non-gelatinised subpellis. Volva remnants on pileus consisting of abundant hyaline, globose, ellipsoid or clavate cells 18. 5-1 19 x 18.5-46 µm, with sparse to moderately abundant, hyaline hyphae, 6-13 µm wide, clamped, occasionally finely encrusted; elements irregularly arranged.

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Amanita mumura G.S. Ridl. 1991
Amanita mumura G.S. Ridl. (1991)
Amanita mumura G.S. Ridl. 1991
Amanita mumura G.S. Ridl. (1991)
Amanita mumura G.S. Ridl. 1991
Amanita mumura G.S. Ridl. (1991)
Amanita mumura G.S. Ridl. 1991
Amanita mumura G.S. Ridl. (1991)
Amanita mumura G.S. Ridl. 1991
Amanita mumura G.S. Ridl. (1991)
Amanita mumura G.S. Ridl. 1991
Amanita mumura G.S. Ridl. (1991)
Amanita mumura G.S. Ridl. 1991

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Amanita mumura G.S. Ridl. 1991
[Not available]

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typification
Holotype New Zealand, Wellington, Rimutaka Forest Park, Orongorongo Valley, Paua Ridge, 29.iv.1987, G. S. Ridley 444 (PDD 56203).

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1cb17d40-36b9-11d5-9548-00d0592d548c
scientific name
Names_Fungi
1 January 2000
27 October 2022
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