Tuberous Polypore

Tuberous Polypore Polyporus tuberaster (Jacq.) Fr. syn. P. lentus Berk. syn. P. floccipes Rostk. (illustrated 45% life size) Cap 2–10cm across, semicircular or circular, depressed above the point of attachment to the stem; yellow-cream to light cinnamon, covered in hairy scales with darkening tips; thick and fleshy. Stem 5–60×5–15mm, lateral, off-centre or central; pallid, covered at the base in bundles of stiff, white, cottony hairs. Flesh white. Tubes very short, decurrent far down the stem; pallid to ochraceous-cream. Pores 2–2.5×1–1.5mm, polygonal or longitudinal; ochraceous-cream. Spores 9–14×4–5.5¼, elliptical-cylindrical; hyaline. Hyphal structure dimitic, with generative and binding hyphae; generative hyphae with clamp connections. Habitat on fallen twigs of deciduous trees; spring. Occasional. Not edible. Note these specimens are rather small.