English: Carrot Fern.
Clades:
Pteridoideae;
Pteridaceae.
Region: Asia.
Habitat: deep shade of wooded areas.
Ecology: resistant to heavy shade, deer.
Use: ornamental.
BotanyFern; perennial;
Stem: not aromatic.
Leaves: green; deciduous; highly divided, lacy, resemble a carrot top.
TaxonomyThe species was first described in 1784 by Carl Peter Thunberg as Trichomanes japonicum. Later, Blume used the name Onychium for a genus of orchids, but this was illegitimate since it had been used in 1820 for the fern genus. Kunze transferred Trichomanes japonicum to the fern genus Onychium as
Onychium japonicum.