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Polyporus xerophyllus Berk. 1855

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Polyporus xerophyllus Berk. 1855
Polyporus xerophyllus Berk. 1855

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Endemic
Present
New Zealand
Political Region

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Berk.
Berk.
1855
178
ICN
Polyporus xerophyllus Berk. 1855
NZ holotype
species
Polyporus xerophyllus

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xerophyllus

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Polyporus xerophyllus Berk. 1855

Nothofagus sp. Auckland. Mt. Te Aroha, 3,146 feet, Nov. 1946, G.H.C. Wellington. Butterfly Gully, May 1947, G.B.Rawlings.
Hymenophore annual, solitary, firm, coriaceous, attached by a brief lateral stem. Pileus reniform or fan-shaped, 1-2.5 cm. x 10-15 mm. x 1-1.5 mm.; surface reddish-brown, with radiating black raised striae which are somewhat scabrid or ridged on the edges, cuticle 75-100 µ thick, of densely compacted pseudoparenchyma, arranged above into a palisade with walls appreciably thickened and tinted brown; margin acute, concolorous, strongly crenate and also toothed; hymenial surface cream when fresh, drying straw colour, even, edged with a conspicuous shining black rounded sterile margin 0.5-1 mm. wide, dissepiments not toothed; stem lateral, varying from a slight disc to a body 10 mm. long, 1-3 mm. thick, solid, rugulose, black, attached to the substratum by a discoid expansion. Context 0.2-1 mm. thick, white, becoming straw colour, firm, woven; skeletal hyphae 5-6 µ thick, lumen almost obliterated, bovista type, freely branched, aseptate, staining; generative hyphae 3-5 µ thick, thin-walled, branched, septate, with clamp connections, contents staining. Pores round or angular, in section cream, to 1 mm. deep, 100-125 µ diameter, or 5-6 per mm.; dissepiments 50-100 µ thick, equal, thickened apically and delicately velutinate. Basidial type clavate, basidia clavate, 12-16 x 5-6 µ, soon collapsing. Spores ovate or elliptic-oblong, 5-7 x 3.5-4 µ, smooth, hyaline.
New Zealand.
Growing solitary on decaying stumps or dead branches, associated with a white rot.
Differentiated by the small size of the fan-shaped pileus, lateral stem, strongly marked radiate striae of the surface, palisade pseudoparenchymatous cuticle, and cream coloured hymenium. In one specimen spores are definitely obovate, but in others they are both obovate and elliptic-oblong.

LOCALITY: Bay of Islands, New Zealand.

Polyporus xerophyllus Berk. 1855

[Notes from Kew Type specimen, PRJ 2010] Kew images.

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Microporus xerophyllus (Berk.) Kuntze (1898)
Polyporus xerophyllus Berk. 1855
Polyporus xerophyllus Berk. 1855
Polyporus xerophyllus Berk. (1855)
Polyporus xerophyllus Berk. 1855
Polyporus xerophyllus Berk. (1855)
Polyporus xerophyllus Berk. 1855
Polyporus xerophyllus Berk. 1855
Polyporus xerophyllus Berk. (1855)
Polyporus xerophyllus Berk. 1855
Polyporus xerophyllus Berk. (1855)
Polyporus xerophyllus Berk. 1855
Polyporus xerophyllus Berk. 1855
Polyporus xerophyllus Berk. 1855
Polyporus xerophyllus Berk. 1855
Polyporus xerophyllus Berk. 1855
Polyporus xerophyllus Berk. 1855
Polyporus xerophyllus Berk. 1855
Polyporus xerophyllus Berk. (1855)
Polyporus xerophyllus Berk. 1855
Polyporus xerophyllus Berk. (1855)
Polyporus xerophyllus Berk. 1855
Polyporus xerophyllus Berk. (1855)
Polyporus xerophyllus Berk. 1855
Polyporus xerophyllus Berk. 1855

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Polyporus xerophyllus Berk. 1855
New Zealand
Auckland
Polyporus xerophyllus Berk. 1855
New Zealand
Bay of Plenty
Polyporus xerophyllus Berk. 1855
New Zealand
Buller
Polyporus xerophyllus Berk. 1855
New Zealand
Coromandel
Polyporus xerophyllus Berk. 1855
New Zealand
Dunedin
Polyporus xerophyllus Berk. 1855
New Zealand
Fiordland
Polyporus xerophyllus Berk. 1855
New Zealand
Gisborne
Polyporus xerophyllus Berk. 1855
New Zealand
Marlborough
Polyporus xerophyllus Berk. 1855
New Zealand
Northland
Polyporus xerophyllus Berk. 1855
New Zealand
Stewart Island
Polyporus xerophyllus Berk. 1855
New Zealand
Taupo
Polyporus xerophyllus Berk. 1855
New Zealand
Wellington
Polyporus xerophyllus Berk. 1855
New Zealand
Westland

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taxonomic status
Ryvarden (1984, p. 361) and Hood (1992) suggested that P. xerophyllus may be synonymous with P. dictyopus, and this synonymy was proposed by Nunez & Ryvarden (1995, p. 46). New Zealand material needs further study, however, to assess relationships between these two taxa, and also between P. xerophyllus and P. nigrocristatus.

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1cb19b5c-36b9-11d5-9548-00d0592d548c
scientific name
Names_Fungi
25 November 1993
23 January 2024
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