Comprehensive Description
provided by North American Flora
Pyropolyporus yucatanensis Murrill, Bull. Torrey
Club 30 : 119. 1903.
A large blackish-brown, very rimose fungus, with tawny tubes and substance. Pileus woody, dimidiate, applanate, thickest behind, 7-9X9-12X2-3 cm.; surface clothed at first with tawny tomeritum, becoming very dark-brown or black and uniformly tubercular and broken into small areas by numerous shallow concentric furrows and radial cracks ; margin narrow, acute, velvety, fulvous : context hard, fulvous, 0.5 cm. thick ; tubes rather indistinctly stratified, 0.25 cm. long each season, 7 to a mm., fulvous, mouths circular, punctate, edges thick, obtuse : spores globose or subglobose, smooth, pale 3'ellowish-brown, 3.5-5^ ; hyphae ferruginous ; cystidia thick at the base, pointed, 1^-35/^.
Type locality : Yucatan.
Habitat : Dead wood.
Distribution : Yucatan and Nicaragua.
- bibliographic citation
- William Alphonso MurrilI, Gertrude Simmons BurIingham, Leigh H Pennington, John Hendly Barnhart. 1907-1916. (AGARICALES); POLYPORACEAE-AGARICACEAE. North American flora. vol 9. New York Botanical Garden, New York, NY
