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Inkstain Bolete

Boletus pulverulentus

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Appears in
Mushrooms

By Roger Phillips

Published 2006

  • About

Inkstain Bolete Boletus pulverulentus Opat. syn. Xerocomus pulverulentus (Opat.) E.-J. Gilbert (illustrated 30% life size) Cap 4โ€“9cm across; drab, walnut-brown or milky coffee, often variously flushed red, olive, or purplish; initially downy then smooth, rapidly bruising blue to almost black on handling. Stem 50โ€“65ร—8โ€“14mm; lemon-chrome or lemon-yellow at apex, elsewhere brownish, becoming streaked blood-red, punctate, bruising dark blue and finally black. Flesh lemon-yellow, turning blue immediately on cutting; taste and smell pleasant. Tubes bright lemon-yellow, bruising dark blue. Pores dark sulphur-yellow, bruising dark blue. Spores 10โ€“14ร—3.5โ€“6.5ยผ, subfusiform. Spore print olivaceous walnut-brown. Habitat in grassy rides of broad-leaved woods, particularly with oak; autumn. Occasional. Edible good.

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