How to identify it?
Cap
Cap up to 40 cm across, semicircular or irregular kidney shape; tan to black; surface finely velvety. Flesh woody, reddish brown to orange-brown or yellow-brown. Odour and taste not distinctive.
Pores
Pores brown, 6-8 pores per mm, bruising brownish for fresh specimens.
![Cracked cap polypore (Phellinus robiniae)](/wiki-image/1080/154082230958817310.jpeg)
![](/wiki-static/name/d056811601fcd923930294ddd993178f/website/img/icon/icon_enlarge@2x.png)
![Cracked cap polypore (Phellinus robiniae)](/wiki-image/1080/154082230958817310.jpeg)
![](/wiki-static/name/d056811601fcd923930294ddd993178f/website/img/icon/field_icons/icon_scientific_spieces@2x.png)
Scientific Classification
![](/wiki-static/name/d056811601fcd923930294ddd993178f/website/img/icon/icon_arrow_description@3x.png)
Phylum
Club fungi Class
Mushroom-forming fungi Order
Hymenochaetales Family
Hymenochaetaceae Genus
Phellinus Species
Cracked cap polypore