![](/wiki-static/name/a4119999746f4ab49c83ebb69ac0e9df/website/img/icon/icon_search@2x.png)
Cracked cap polypore
A species of Phellinus Scientific name : Phellinus robiniae Genus : Phellinus
Cracked cap polypore, A species of Phellinus
Scientific name: Phellinus robiniae
Genus: Phellinus
![Cracked cap polypore (Phellinus robiniae)](/wiki-image/1080/154082230958817310.jpeg)
![](/wiki-static/name/a4119999746f4ab49c83ebb69ac0e9df/website/img/icon/field_icons/icon_description@3x.png)
Description
![](/wiki-static/name/a4119999746f4ab49c83ebb69ac0e9df/website/img/icon/icon_arrow_description@3x.png)
The cracked cap polypore (Phellinus robiniae) grows directly out of the side of black locust trees in a semi-circular shape. The cap appears to be a disc lodged into the tree's trunk, and ranges in color from tan to black in rings. They grow quite large. As the cap matures, the surface becomes ridged and almost bark-like.
Colors
Brown
Black
Habitat
The cracked cap polypore is found in any area populated by black locust (Robinia pseudoacacia) - urban settings, woods, lawns, yards, or roadsides. It usually grows on living black locust but it tends to appear on deadwood, as well.
* Disclaimer: Content feedback CAN NOT be used as any basis for EATING ANY PLANTS. Some plants can be VERY POISONOUS, please purchase edible plants through regular channels.
![](/wiki-static/name/a4119999746f4ab49c83ebb69ac0e9df/website/img/icon/pic_download@3x.png)
![](/wiki-static/name/a4119999746f4ab49c83ebb69ac0e9df/website/img/icon/field_icons/icon_question_spieces@3x.png)
People often ask
![](/wiki-static/name/a4119999746f4ab49c83ebb69ac0e9df/website/img/icon/icon_arrow_description@3x.png)
![](/wiki-static/name/a4119999746f4ab49c83ebb69ac0e9df/website/img/icon/field_icons/icon_general_spieces@3x.png)
General Info
![](/wiki-static/name/a4119999746f4ab49c83ebb69ac0e9df/website/img/icon/icon_arrow_description@3x.png)
Habitat
The cracked cap polypore is found in any area populated by black locust (Robinia pseudoacacia) - urban settings, woods, lawns, yards, or roadsides. It usually grows on living black locust but it tends to appear on deadwood, as well.
Growth Form
Saprobic, parasitic; solitary, gregarious
Sporocarp Height
16 cm
Cap Diameter
Up to 40 cm
Endangered Species
No
Habit
Parasitic
Substrate
On wood
Smell
Odor fragrant when fresh
Spore Print
Brown
Species Status
Widely distributed
![](/wiki-static/name/a4119999746f4ab49c83ebb69ac0e9df/website/img/icon/field_icons/icon_How to identify@2x.png)
How to identify it?
![](/wiki-static/name/a4119999746f4ab49c83ebb69ac0e9df/website/img/icon/icon_arrow_description@3x.png)
![](/wiki-static/name/a4119999746f4ab49c83ebb69ac0e9df/website/img/icon/field_icons/icon_Similar Species@2x.png)
Similar Species
![](/wiki-static/name/a4119999746f4ab49c83ebb69ac0e9df/website/img/icon/icon_arrow_description@3x.png)
![Cracked cap polypore (Phellinus robiniae)](/wiki-image/1080/154082230958817310.jpeg)
![](/wiki-static/name/a4119999746f4ab49c83ebb69ac0e9df/website/img/icon/icon_enlarge@2x.png)
![Cracked cap polypore (Phellinus robiniae)](/wiki-image/1080/154082230958817310.jpeg)
![](/wiki-static/name/a4119999746f4ab49c83ebb69ac0e9df/website/img/icon/field_icons/icon_scientific_spieces@2x.png)
Scientific Classification
![](/wiki-static/name/a4119999746f4ab49c83ebb69ac0e9df/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