Genus: Hapalopilus

Hapalopilus - genus of fungi of family Phanerochaetaceae.

Etymology

Hapalopilus, Hapalopilus. From απαλός (apalos), tender, soft + πίλος (pilos) m, felt, hat (felt or woolen).

Type species

Hapalopilus nidulans (Fr.) P. Karst., Revue mycol., Toulouse 3(no. 9): 18 (1881)

Description

Basidiomata annual, resupinate, resupinate-reflexed or sessile. Upper surface of caps, if present, covered with cuticle. Tissue soft, somewhat fibrous, water-soaked, upon drying hard and brittle, usually brightly colored in lemon-yellow, rusty-yellow, orange, orange-red, red-ochre colors, changing color to raspberry, violet or lilac under influence of alkalis.

Hyphal system monomitic. Hyphae thick- and thin-walled, with clamp connections, colorless or encrusted with crystalloids, changing color under influence of alkalis.

Basidia small, clavate. Spores ellipsoid to ellipsoid-cylindrical, thin-walled, hyaline or slightly colored, smooth, non-amyloid. Cystidia absent.

Reference materials:

Bondartseva M. A. — Key to Fungi of Russia. Order Aphyllophorales. Issue 2 (1998)