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Agaricus semotus Fr. 1863

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Agaricus semotus Fr. 1863
Agaricus semotus Fr. 1863

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Recorded in error
New Zealand
Political Region
A. semotus considered a nom. dub. by many authors and usage referred to A. dulcidulus. In the original sense = A. friesianus. NZ material is close to A. campbellensis.[JAC]

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Fr.
Fr.
1863
347
dubious name
ICN
Agaricus semotus Fr. 1863
species
Agaricus semotus

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semotus

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Agaricus semotus Fr. 1863

SPECIMENS EXAMINED: NORTH AUCKLAND: Whangarei, Kamo, Pukenui Walkway, NZMS 260 Q07/23-09-, in humus under Kunzea ericoides, PDD 68575.
Pileus 15-40 mm diam., thin, convex when young, finally applanate, centre slightly umbonate, with fawn (3.5YR 5.2/4.0) scales on white (N9.5) background at centre, decreasing towards margin, bruising brownish orange (2.5YR 5/7-6/8); margin inrolled when young, finally straight, edge smooth, with remnants of veil; lamellae insertion free, thin, crowded, of several lengths to alternate, orchraceous salmon (4YR 7.0/7.5) when young, finally umber (7YR 3.7/5.8), edge pale, sterile; trama parallel to irregular. Stipe 20-40 x 4-10 mm, central, fistulose, cylindrical, club-shaped with swollen sometimes twisted base, smooth to silky, white (N9.5) to umber (7YR 3.7/5.8) above annulus, yellow (2.5Y 9/8) below annulus, especially towards base, bruising yellow (2.5Y 9/8-8/8), base with mycelial cords. Annulus pendant, thin, ± ephemeral, white above, yellow below, surface silky. Flesh white, becoming yellow (2.5Y 9/8-8/8) at stipe base upon cutting or bruising; odour of anise; taste sweet. Schaffer's cross-reaction positive.
Basidia 4-spored, 12-20 x 5-7 µm, clavate with sterigmata 3-4 µm. Cheilocystidia 15-29 x 6-8 µm, clavate, abundant, hyaline. Basidiospores dark brown (5YR 3/2) in mass, size (5.7-)6.4(-6.9) x (4.0-)4.5(-4.9) µm, elongation (1.3-)1.5(-1.7) µm, ellipsoid, pale brown in water (2.5YR 4/4), refractive centre (2-3 droplets), apiculus lateral, germ pore not visible.
NEW ZEALAND Northland.
Gregarious.

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Agaricus semotus Fr. 1863
Agaricus semotus Fr. 1863
Agaricus semotus Fr. 1863
Agaricus semotus Fr. (1863)
Agaricus semotus Fr. 1863
Agaricus semotus Fr. 1863
Agaricus semotus Fr. (1863)
Agaricus semotus Fr. 1863
Agaricus semotus Fr. (1863)
Agaricus semotus Fr. 1863
Agaricus semotus Fr. (1863)
Agaricus semotus Fr. 1863
Agaricus semotus Fr. (1863)
Agaricus semotus Fr. 1863
Agaricus semotus Fr. (1863)
Agaricus semotus Fr. 1863

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Agaricus semotus Fr. 1863
New Zealand
Wellington

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1cb17ccd-36b9-11d5-9548-00d0592d548c
scientific name
Names_Fungi
1 January 2001
19 October 2022
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