''Onoclea'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of plants in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Onocleaceae,

native Native may refer to: People * '' Jus sanguinis'', nationality by blood * '' Jus soli'', nationality by location of birth * Indigenous peoples, peoples with a set of specific rights based on their historical ties to a particular territory ** Nat ...

to moist habitats in eastern Asia and eastern North America. They are

deciduous In the fields of horticulture and botany, the term deciduous () means "falling off at maturity" and "tending to fall off", in reference to trees and shrubs that seasonally shed Leaf, leaves, usually in the autumn; to the shedding of petals, aft ...

fern The ferns (Polypodiopsida or Polypodiophyta) are a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers. They differ from mosses by being vascular, i.e., having specialized tissue ...

s with sterile fronds arising from creeping

rhizomes In botany and dendrology, a rhizome ( ) is a modified subterranean plant stem that sends out roots and shoots from its nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from axillary buds and grow hori ...

in spring, dying down at first frost. Fertile fronds appear in late summer. Depending on the authority, the genus contains one to five species.

Species

In the

Pteridophyte Phylogeny Group The Pteridophyte Phylogeny Group (PPG) is an informal international group of systematic botanists who collaborate to establish on the classification of pteridophytes ( lycophytes and ferns) that reflects knowledge about plant relationships discove ...

classification of 2016 (PPG I), ''Onoclea'' has a single living species: * †''O. fecunda'' (Lesquereux 1873) Knowlton 1898 * †''O. glossopteroides'' (Dawson 1884) Krassilov 1979 * †''O. grandifolia'' Akhmetiev 1969 * †''O. hebridica'' Gardner 1886 * †''O. minima'' Knowlton 1899 * †''O. reducta'' Cockerell 1908 * '' O. sensibilis'' L. (sensitive fern (eastern Asia, eastern North America))''O. sensibilis''
Tropicos.org. Missouri Botanical Garden. 30 Jan 2012

Transferred species

The following ''Onoclea'' species have been transferred to other genera as indicated below. * = * = * = * = * = * = * = * = * = * = * = * = – deer fern (Europe, western North America) * = * = * =

References

Polypodiales Monotypic fern genera {{Polypodiales-stub