Polysiphonia stricta (Mertens ex Dillwyn) Greville 1824

Polysiphonia stricta (Mertens ex Dillwyn) Greville

Current name: Polysiphonia stricta (Mertens ex Dillwyn) Greville
Black Head, Co. Clare, Ireland; mature tetrasporangia - 28 April 2006. Michael Guiry (mike.guiry@nuigalway.ie)

Publication Details
Polysiphonia stricta (Mertens ex Dillwyn) Greville 1824: 309

Published in: Greville, R.K. (1824). Flora edinensis: or a description of plants growing near Edinburgh, arranged according to the Linnean system, with a concise introduction to the natural orders of the class Cryptogamia, and illustrated plates. pp. i-lxxxi, 1-478. Edinburgh: Printed for William Blackwood, Edinburgh; and T. Cadell, Strand, London.

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Type Species
The type species (holotype) of the genus Polysiphonia is Polysiphonia urceolata (Lightfoot ex Dillwyn) Greville.

Status of Name
This name is of an entity that is currently accepted taxonomically.

Conferva stricta Mertens ex Dillwyn

Type Information
Syntype localities: "On rocks in the sea at Dover [Kent] and Swansea [Wales]."; (Dillwyn 1804: pl. 40) Lectotype (Swansea): Dillwyn; undated; BM-K; (Maggs & Hommersand 1993: 355) Notes: .

Origin of Species Name
Adjective (Latin), drawn close together, very upright, very straight (Stearn 1973).

General Environment
This is a marine species.

Soft, slender cylindrical, usually densely tufted, deep red fronds, to 200 mm long, from creeping rhizoidal base. Branching pseudodichotomous to distally alternate. Minute central siphon with 4 pericentral siphons, ecorticate. Articulations 3-5 times as long as broad in main branches, rather shorter than broad in ramuli.

On rocks, shells and epiphytic (especially on Laminaria hyperborea stipes), intertidal at all levels and subtidal, generally distributed, abundant, particularly on wave-exposed shores.

Created: 31 March 1996 by M.D. Guiry.

Last updated: 08 December 2020

Verification of Data
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Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=177

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 08 December 2020. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 18 May 2024

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