Amanita nigrescens - a photo on Flickriver

Amanita nigrescens

            The following is the original description of this species of poisonous Amanita found in New Zealand beech forests. It strikes me that the earliest specimens found, and some subsequent collections, were very small. Although I have found them to be smaller than most other Amanita, a pileus, or cap of 10 cm diameter seems to be about the average for a fully mature mushroom, at least, here on the West Coast.
Article: Stevenson, G. (1962). The Agaricales of New Zealand: II. Kew Bulletin 16(1): 65–74.
Description: Pileus 3 cm. diam., moist, waxy, dark-brown, with a few dark-brown warts, striate at margin, flesh pale-grey but dark-brown immediately under the cuticle. Gills white, free, moderately crowded, long and short intercalated, all with conspicuous blackish-brown margins; spore-print copious, white. Stipe x 0.7 cm., tapered upwards, covered with greyish-brown fibrillous striations on whitish ground; fibrils cracking into blackish-brown scales all free above and attached below, both above and below the blackish-brown ring; slightly hollow above, and quite hollow and chambered towards the base. Volva white with ochraceous tints, blackish-brown round margin which is adpressed to the base of the stipe. Spores non-amyloid, spherical 9-10 um diam. Sterile edge of gill with basidioles containing dark pigment. No cystidia seen on gills or stipe scales though the latter contained some thick- walled dark hyphae.
Habitat: under Nothofagus in Wairarapa, 27.6.1949, A. Crawford.
   

Taken in: New Zealand / West Coast / Rapahoe (show map)

Taken on: May 21, 2019

Tags:

Aotearoa

New Zealand

Nature

New Zealand Nature Photography

Steve Reekie

Rapahoe

Amanita

Nothofagus

Amanita nigrescens

Fungi

endemic

Native

mycology « less

Sets appears in: • Fungi, Slime Molds & Lichens of New Zealand

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Camera: Panasonic DMC-FZ300, f/8.0, 0.4 sec, 13.5mm, ISO 100 (more info) (hide info)

Camera:	Panasonic DMC-FZ300
Aperture:	f/8.0
Exposure Time:	0.4
Focal Length:	13.5mm
ISO:	100
Exposure Bias:	0 EV
Flash:	Off, Did not fire
Exposure Program:	Manual
Exposure Mode:	Manual
Metering Mode:	Spot
White Balance:	Manual
Light Source:	Fine Weather
Color Space:	sRGB
Software:	Ver.2.0
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