Cap 3-6 cm in diam., convex, distinctly broadly umbonate, center blackish, outer side dark brown, margin blackish, innately fibrillose; lamellae adnate, subdistant, grayish brown when young, brownish black or blackish brown when mature; stipe 5-7 X 1-1.8 cm, attenuate upward, dirty brownish to grayish brown, fibrillose, basal 1/2 part subventricose to narrowly clavate.
| Z. L. Yang | |
| 5289 | 18 July 2009 |
