Asplenium flaccidum G.Forst.

Caption:

Details

Name scientific

Asplenium flaccidum G.Forst., Fl. Ins. Austr. 80 (1786)

Preferred name

Asplenium flaccidum G.Forst.

Taxonomy reference

Shepherd, L.D.; Perrie, L.R.; Brownsey, P.J. 2008: Low-copy nuclear DNA sequences reveal a predominance of allopolyploids in a New Zealand Asplenium fern complex. Molecular Phylogenetics and Evolution 49: 240–248.

Linked name

Asplenium flaccidum G.Forst.

Biostatus

Origin

Occurrence

Georegion

Schema

Biostatus source

Comment

Indigenous, non-endemic

Wild

New Zealand

Political Region

Nomenclature

Authors

G.Forst.

Original authors

G.Forst.

Publication place

Forster, J.G.A. 1786: Florulae Insularum Australium Prodromus. Dietrich, Göttingen.

Year published

1786

Publication page

Nomenclatural code

ICN

Basionym

Asplenium flaccidum G.Forst.

Taxonomic rank

species

Canonical form

Asplenium flaccidum

Etymology

From the Latin flaccidus (limp, flaccid), a reference to the drooping nature of the fronds.

Typification

Lectotype (selected by Brownsey 1977): New Zealand, Dusky Bay, Messrs Forster, BM 1048372!

Brownsey, P.J. 1977: A taxonomic revision of the New Zealand species of Asplenium. New Zealand Journal of Botany 15(1): 39–86.

Classification

Kingdom

Plantae

Phylum

Tracheophyta

Class

Polypodiopsida

Order

Polypodiales

Family

Aspleniaceae

Genus

Asplenium

Species

flaccidum

Subordinates

Vernacular names

Language of use: English

Language of use: Māori

Synonyms

Descriptions

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

Asplenium flaccidum G.Forst.

Description

Rhizome short, stout, erect to shortly creeping, clad in brown linear-attenuate paleae c. 1 cm. long; stipites tufted to approximate, paleate at base, and with a few weaker paleae elsewhere when young. Rhachis winged, bearing scattered paleae. Laminae and pinnae diverse in size and shape, us. thick, long-pend. to short-erect; veins obscure, us. a single veinlet to each seg., sori oblong, us. submarginal; indusium pale, firm.

Brownsey, P.J. 1977: A taxonomic revision of the New Zealand species of Asplenium. New Zealand Journal of Botany 15(1): 39–86.

Asplenium flaccidum G.Forst.

Description

Rhizome short, stout, erect, bearing dark brown subulate or ovate scales up to 20 × 2 mm. Stipes 5-20 cm (or more) long, brown on underside, green above, flaccid or firm and erect, sparingly covered in small subulate or ovate scales. Laminae lanceolate to elliptic, 10-90 (or more) × 4-25 cm, dull green, thick, leathery and either limp and pendulous or stiff and erect, pinnate to bipinnate. Raches green, sparingly scaly. Pinnae in 5-20 (or more) pairs, linear to narrowly ovate, acuminate, long stalked, 2-15 × 0.5-2 cm; degree of dissection very variable, sometimes only divided into very short obtuse segments, sometimes pinnate with linear acute pinnules up to 15 × 2 mm. Sori submarginal, linear, 2-10 mm long.

Dawson, M.I. 2008: Index of chromosome numbers of indigenous New Zealand vascular plants.