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{{Short description|Species of alga}}
{{speciesbox
{{speciesbox
| image =Polysiphonia urceolata Helgoland.JPG
| image =
| genus = Polysiphonia
| genus = Polysiphonia
| species = stricta
| species = stricta
| authority =
| authority = (Dillwyn) Greville
| synonyms_ref = <ref>M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2018. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org/search/species/detail/?species_id=E4e1d55668c427064 ; searched on 19 August 2018. </ref>
| synonyms =
*''[[Conferva]] urceolata'' <small>Lightfoot ex Dillwyn 1809</small>
*''Conferva patens'' <small>Dillwyn 1809</small>
*''Conferva stricta'' <small>Mertens ex Dillwyn 1804</small>
*''[[Ceramium]] strictum'' <small>(Mertens ex Dillwyn) Poiret 1811</small>
*''[[Hutchinsia]] abyssina'' <small>Lyngbye 1880</small>
*''Hutchinsia comosa'' <small>C.Agardh 1824</small>
*''Hutchinsia roseola'' <small>C.Agardh 1828</small>
*''Hutchinsia stricta'' <small>(Mertens ex Dillwyn) C.Agardh 1817</small>
*''Hutchinsia urceolata'' <small>(Lightfoot ex Dillwyn) Lyngbye 1819</small>
*''Polysiphonia formosa'' <small>Suhr 1831</small>
*''Polysiphonia patens'' <small>(Dillwyn) Harvey 1833</small>
*''Polysiphonia pulvinata'' <small>Liebmann 1845</small>
*''Polysiphonia roseola'' <small>(C.Agardh) Fries 1835</small>
*''Polysiphonia spiralis'' <small>L.Batten 1923</small>
*''Polysiphonia urceolata'' <small>(Lightfoot ex Dillwyn) Greville 1824</small>
*''Polysiphonia urceolata f. comosa'' <small>(C.Agardh) J.Agardh 1863</small>
*''Polysiphonia urceolata f. formosa'' <small>(Suhr) J.Agardh 1863</small>
*''Polysiphonia urceolata f. pulvinata'' <small>Kylin 1907</small>
*''Polysiphonia urceolata f. roseola'' <small>(C.Agardh) J.Agardh 1863</small>
*''Polysiphonia urceolata f. typica'' <small>Kjellman 1883</small>
}}
}}


'''''Polysiphonia stricta''''' is a small red marine [[alga]] in the Division [[Rhodophyta]].
'''''Polysiphonia stricta''''' is a small red marine [[alga]] in the Division [[Rhodophyta]].


''Polysiphonia stricta'' (Dillwyn) Greville forms dense clumps of branching axes. The plants grow to 25 cm high.<ref name="Maggs">''Seaweeds of the British Isles Volume 1 Rhodophyta Part 3A Ceramiales.'' The Natural History Museum, London. {{ISBN|0-11-310045-0}}</ref>
''Polysiphonia stricta'' forms dense clumps of branching axes. The plants grow to 25&nbsp;cm high.<ref name="Maggs">''Seaweeds of the British Isles Volume 1 Rhodophyta Part 3A Ceramiales.'' The Natural History Museum, London. {{ISBN|0-11-310045-0}}</ref>


==Description==
==Description==
''P. stricta'' grows as small tufts of much branched tufts, growing to no more than 25 cm high.<ref name="Maggs"/> The axes are erect, ecorticate, with 4 periaxial cells growing from prostrate axes. All 4 of the periaxial cells are of the same length.<ref name="Maggs"/><ref name="Bunker">Bunker, F.StP. D.,Brodie, J.A., Maggs, C.A. & Bunker, A.R. 2017. ''Seaweeds of Britain and Ireland.'' Second Edition. Wild Nature Press, Plymouth, UK. {{ISBN|978-0-9955673-3-7}}</ref>
''P. stricta'' grows as small tufts of much branched tufts, growing to no more than 25&nbsp;cm high.<ref name="Maggs"/> The axes are erect, [[ecorticate]], with 4 [[periaxial]] cells growing from [[Prostrate shrub|prostrate]] axes. All 4 of the periaxial cells are of the same length.<ref name="Maggs"/><ref name="Bunker">Bunker, F.StP. D.,Brodie, J.A., Maggs, C.A. & Bunker, A.R. 2017. ''Seaweeds of Britain and Ireland.'' Second Edition. Wild Nature Press, Plymouth, UK. {{ISBN|978-0-9955673-3-7}}</ref>


==Reproduction==
==Reproduction==
Spermatangial branchlets are formed in clusters at the apices. Cystocarps are on short stalks and are urceolate. The tetraspores are in series in the final branches.<ref name="Maggs"/>.
[[Spermatangia]]l branchlets are formed in clusters at the apices. [[Cystocarp]]s are on wide stalks and are [[urceolate]]. The [[tetraspore]]s are in series in the final branches.<ref name="Maggs"/>


==Habitat==
==Habitat==
Epizoic and [[epiphytic]] in the low littoral to 20 m.<ref name="Maggs"/>
[[Epizoic]] and [[epiphytic]] in the low [[littoral]] to 20 m.<ref name="Maggs"/>


==Distribution==
==Distribution==
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==References==
==References==
{{Reflist}}
{{Reflist}}

{{Taxonbar|from=Q3395813}}


[[Category:Rhodomelaceae]]
[[Category:Rhodomelaceae]]

Latest revision as of 18:16, 10 March 2021

Polysiphonia stricta
Scientific classification Edit this classification
(unranked): Archaeplastida
Division: Rhodophyta
Class: Florideophyceae
Order: Ceramiales
Family: Rhodomelaceae
Genus: Polysiphonia
Species:
P. stricta
Binomial name
Polysiphonia stricta
(Dillwyn) Greville
Synonyms[1]
  • Conferva urceolata Lightfoot ex Dillwyn 1809
  • Conferva patens Dillwyn 1809
  • Conferva stricta Mertens ex Dillwyn 1804
  • Ceramium strictum (Mertens ex Dillwyn) Poiret 1811
  • Hutchinsia abyssina Lyngbye 1880
  • Hutchinsia comosa C.Agardh 1824
  • Hutchinsia roseola C.Agardh 1828
  • Hutchinsia stricta (Mertens ex Dillwyn) C.Agardh 1817
  • Hutchinsia urceolata (Lightfoot ex Dillwyn) Lyngbye 1819
  • Polysiphonia formosa Suhr 1831
  • Polysiphonia patens (Dillwyn) Harvey 1833
  • Polysiphonia pulvinata Liebmann 1845
  • Polysiphonia roseola (C.Agardh) Fries 1835
  • Polysiphonia spiralis L.Batten 1923
  • Polysiphonia urceolata (Lightfoot ex Dillwyn) Greville 1824
  • Polysiphonia urceolata f. comosa (C.Agardh) J.Agardh 1863
  • Polysiphonia urceolata f. formosa (Suhr) J.Agardh 1863
  • Polysiphonia urceolata f. pulvinata Kylin 1907
  • Polysiphonia urceolata f. roseola (C.Agardh) J.Agardh 1863
  • Polysiphonia urceolata f. typica Kjellman 1883

Polysiphonia stricta is a small red marine alga in the Division Rhodophyta.

Polysiphonia stricta forms dense clumps of branching axes. The plants grow to 25 cm high.[2]

Description[edit]

P. stricta grows as small tufts of much branched tufts, growing to no more than 25 cm high.[2] The axes are erect, ecorticate, with 4 periaxial cells growing from prostrate axes. All 4 of the periaxial cells are of the same length.[2][3]

Reproduction[edit]

Spermatangial branchlets are formed in clusters at the apices. Cystocarps are on wide stalks and are urceolate. The tetraspores are in series in the final branches.[2]

Habitat[edit]

Epizoic and epiphytic in the low littoral to 20 m.[2]

Distribution[edit]

Found around the British Isles, the West Atlantic and American Atlantic.[2]

References[edit]

  1. ^ M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2018. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org/search/species/detail/?species_id=E4e1d55668c427064 ; searched on 19 August 2018.
  2. ^ a b c d e f Seaweeds of the British Isles Volume 1 Rhodophyta Part 3A Ceramiales. The Natural History Museum, London. ISBN 0-11-310045-0
  3. ^ Bunker, F.StP. D.,Brodie, J.A., Maggs, C.A. & Bunker, A.R. 2017. Seaweeds of Britain and Ireland. Second Edition. Wild Nature Press, Plymouth, UK. ISBN 978-0-9955673-3-7
Retrieved from "https://en.wikipedia.org/w/index.php?title=Polysiphonia_stricta&oldid=1011403151"