Umbrella Polypore

Polyporus umbellatus

banner

Appears in

Mushrooms

Mushrooms

By Roger Phillips

Published 2006

Umbrella Polypore Polyporus umbellatus (Pers.) Fr. syn. Grifola umbellata (Pers.) Pilรกt Fruit body up to 50cm across, consisting of a thick, fleshy base from which repeated branching occurs, the ultimate branchlets ending in small, umbrella-like caps, each 1โ€“4cm across and centrally depressed with a thin, wavy margin; caps initially grey-brown, becoming ochraceous with age, covered in fibrils or small fibrous scales. Stem thin, merging at the bottom into common, trunk-like base; flushed with cap colour. Flesh white; thin in cap, taste pleasant but with acrid aftertaste, smell pleasant when fresh. Tubes 1โ€“1.5mm long, decurrent; straw-yellow. Pores 1 per mm, angular; whitish to straw-yellow. Spores 7โ€“10ร—3โ€“4ยผ, cylindrical-elliptical. Habitat on the ground, arising from a subterranean sclerotium associated with roots of deciduous trees, especially oak; summer to autumn. Rare on Red Data List. Edible.

    Part of