Psilotum Sw.

Details

Name scientific

Psilotum Sw., J. Bot. (Schrader) 1800(2): 109 (1801)

Preferred name

Psilotum Sw.

Taxonomy reference

Brownsey, P.J.; Smith-Dodsworth, J.C. 2000: New Zealand ferns and allied plants. Edition 2. David Bateman, Auckland.

Biostatus

Origin

Occurrence

Georegion

Schema

Biostatus source

Comment

Indigenous, non-endemic

Wild

New Zealand

Political Region

Nomenclature

Authors

Sw.

Original authors

Sw.

Publication place

Swartz, O.P. 1801: Genera et species filicum ordine systematico redactarum. Journal für die Botanik (Schrader) 1800(2): 1–120.

Year published

1801

Publication page

109

Nomenclatural code

ICN

Basionym

Psilotum Sw.

Type taxon

Psilotum nudum (L.) P.Beauv.

Taxonomic rank

genus

Canonical form

Psilotum

Etymology

From the Greek psilo- (bare, naked), a reference to the naked or exposed synangia

Classification

Kingdom

Plantae

Phylum

Tracheophyta

Class

Polypodiopsida

Order

Psilotales

Family

Psilotaceae

Genus

Psilotum

Subordinates

Vernacular names

Language of use: English

fork fern

Synonyms

Bernhardia Willd. ex Bernh.

Descriptions

Allan, H.H. 1961: Flora of New Zealand. Vol. I. Indigenous Tracheophyta: Psilopsida, Lycopsida, Filicopsida, Gymnospermae, Dicotyledones. Government Printer, Wellington.

Psilotum Sw.

Description

Sporangia 3-lobed, 3-celled (rarely 2-4-celled), subglobose, terminal on very short lobes or almost sessile, the scale-like branches embracing the sporangium. Plant us. terrestrial and erect, axis many times dichotomously branched, sterile lobes scale-like, minute, along the angles of the axis. A very few spp., mainly tropical and subtropical. The N.Z. sp. with the range of the genus.