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Cortinarius orixanthus Soop 2008

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Cortinarius orixanthus Soop in Gasparini & Soop, Australas. Mycol. 27 177 (2008)
Cortinarius orixanthus Soop 2008

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Endemic
Present
New Zealand
Political Region

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Soop
Soop
2008
177
ICN
Cortinarius orixanthus Soop 2008
NZ holotype (PDD 88253)
species
Cortinarius orixanthus
Holotype PDD 88253: Nova Zelandia [New Zealand], Te Anau, Totara Rest Area, in silvis cum Nothofagete, 23rd April 2006, K. Soop.

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orixanthus

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Cortinarius orixanthus Soop 2008

Cap 20-60 mm, viscid, hygrophanous, sometimes weakly; warmly yellow-brown with a faint orange tinge, disk darker, slightly red-brown, young with a thin yellow frost; glabrous to innate fibrillose; margin greyish yellow with a conspicuous yellow rim, not striate. Gills yellow-grey. Stipe cylindrical to clavate, dry; dirty white to yellowish with sometimes thick yellow girdles on lower part, apex white. Veil yellow, fairly copious to sparse. Flesh yellow to yellow-brown, sometimes with a red-brown tinge; odour faintly raphanoid; taste nil or slightly fetid. Reactions: NaOH strongly yellow-orange to red on cutis and stipital veil, sometimes weaker; guayac green. Micro: spores elliptic, 6.5-8.2 × 4-5 μm, rather weakly verrucose.
In Nothofagus forest, fairly common.
The species may look like a Telamonia when small or in dry conditions, has been shown by molecular markers to belong to section Icterinula, which is mostly composed of dermocyboid species. It can be recognised by a remarkable yellow rim on the cap, often paired by yellow veil girdles on the stipe. Cf. C. viscoviridis, which also presents a yellow rim, but whose stipe is glutinous.

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Cortinarius orixanthus Soop 2008
Cortinarius orixanthus Soop (2008)
Cortinarius orixanthus Soop 2008
Cortinarius orixanthus Soop
Cortinarius orixanthus Soop 2008
Cortinarius orixanthus Soop

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Cortinarius orixanthus Soop 2008
[Not available]

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typification
Holotype PDD 88253: Nova Zelandia [New Zealand], Te Anau, Totara Rest Area, in silvis cum Nothofagete, 23rd April 2006, K. Soop.

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3ac9381f-faeb-49a2-bb45-461b4417c992
scientific name
Names_Fungi
21 March 2007
11 November 2020
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