''Pentarhizidium orientalis'', the Oriental ostrich fern, is a

fern A fern (Polypodiopsida or Polypodiophyta ) is a member of a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers. The polypodiophytes include all living pteridophytes except t ...

native to

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

, and the

Himalayas The Himalayas, or Himalaya (; ; ), is a mountain range in Asia, separating the plains of the Indian subcontinent from the Tibetan Plateau. The range has some of the planet's highest peaks, including the very highest, Mount Everest. Over 100 ...

. It grows to about 0.6 m (2 ft) in height by 0.6 m (2 ft) wide. It was formerly included in the genus ''

Matteuccia ''Matteuccia'' is a genus of ferns with one species: ''Matteuccia struthiopteris'' ( common names ostrich fern, fiddlehead fern, or shuttlecock fern). The species epithet ''struthiopteris'' comes from Ancient Greek words () "ostrich" and () "fe ...

'', but phylogenetic studies mandated that it and ''

Pentarhizidium intermedium ''Pentarhizidium'' is a genus of two Asian fern species. These species have formerly been included in ''Matteuccia'' or ''Onoclea ''Onoclea'' is a genus of plants in the family Onocleaceae, native to moist habitats in eastern Asia and eastern ...

'' be moved to a new genus.

References

External links

*
The Plant List entry

Plants for a Future entry
*
Efloras entry
* Robert M. Lloyd
Facultative Apomixis and Polyploidy in ''Matteuccia orientalis''
''American Fern Journal'', Vol. 63, No. 2 (Apr.–Jun. 1973), pp. 43–48. Published by the

American Fern Society The American Fern Society was founded in 1893. Today, it has more than 1,000 members around the world, with various local chapters. Among its deceased members, perhaps the most famous is Oliver Sacks, who became a member in 1993. Willard N. Clut ...

. Polypodiales {{Polypodiales-stub