Studies on Wrightoporia from China 1. A new species from Hunan Province, South China

Wrightoporia nigrolimitata sp. nov. is described from Hunan Province, southern China. It is characterized by an annual growth habit, small pileate basidiocarps, a brown to black line between the tubes and context, a monomitic hyphal system with clamp connections, nondextrinoid hyphae, and finely asperulate amyloid basidiospores. A key to accepted Chinese Wrightoporia species is supplied.