Pentarhizidium

Pentarhizidium
Pentarhizidium orientale
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Polypodiales
Suborder: Aspleniineae
Family: Onocleaceae
Genus: Pentarhizidium
Hayata 1928
Type species
Pentarhizidium japonicum
Hayata 1928
Species
  • P. intermedium
  • P. orientale
Synonyms
  • Onoclea section Pentarhizidium (Hayata 1928) Kato 1980

Pentarhizidium is a genus of two Asian fern species. These species have formerly been included in Matteuccia or Onoclea. Recent genetic analysis has determined that these two species form a discrete clade that is basal to the rest of this fern group, and so have been located in their own genus. P. orientale is sometimes grown as a garden plant.