Giant Polypore

Meripilus giganteus

banner

Appears in

Mushrooms

Mushrooms

By Roger Phillips

Published 2006

Giant Polypore Meripilus giganteus (Pers.) P. Karst. syn. Polyporus giganteus (Pers.) Fr. syn. Grifola gigantea (Pers.) Pilát (illustrated (e) 25% life size) Fruit body 50–80cm across, rosette-like, short stems from the common base ending in numerous flattened, fan-shaped caps, each 10–30cm across, 1–2cm thick; the upper surface concentrically zoned light and darker brown, covered in very fine, brown scales; radially grooved. Flesh white; soft, fibrous; taste slightly sour, smell pleasant. Tubes 4–6mm long, whitish. Pores 3–4 per mm, subcircular, often late in forming; whitish, bruising blackish. Spores 5.5–6.5×4.5–5¼, broadly ovate to subglobose, hyaline. Hyphal structure monomitic; generative hyphae without clamps. Habitat at the base of deciduous trees or stumps or arising from the roots some distance from them, usually on beech but sometimes also on oak; autumn. Common. Edible but can be a little bitter.

    Part of