Phellinus
Encyclopedia
Phellinus is a genus of fungi in the family Hymenochaetaceae
Hymenochaetaceae
The Hymenochaetaceae are a family of fungi in the order Hymenochaetales. The family contains several species that are implicated in many diseases of broad-leaved and coniferous trees, causing heart rot, canker and root diseases, and also esca disease of grapevines...

. Many species cause white rot. Fruiting bodies, which are found growing on wood, are resupinate, sessile
Sessility (botany)
In botany, sessility is a characteristic of plants whose flowers or leaves are borne directly from the stem or peduncle, and thus lack a petiole or pedicel...

, and perennial. The flesh is tough and woody or cork-like, and brown in color. Clamp connection
Clamp connection
A clamp connection is a structure formed by growing hyphal cells of certain fungi. It is created to ensure each septum, or segment of hypha separated by crossed walls, receives a set of differing nuclei, which are obtained through mating of hyphae of differing sexual types...

s are absent, and the skeletal hyphae are yellowish-brown.

The name Phellinus means cork.

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