Polysiphonia stricta: Difference between revisions
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{{Short description|Species of alga}} |
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{{speciesbox |
{{speciesbox |
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| image =Polysiphonia urceolata Helgoland.JPG |
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| image = |
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| genus = Polysiphonia |
| genus = Polysiphonia |
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| species = stricta |
| species = stricta |
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| authority = (Dillwyn) Greville |
| authority = (Dillwyn) Greville |
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| 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> |
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| synonyms = |
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*''[[Conferva]] urceolata'' <small>Lightfoot ex Dillwyn 1809</small> |
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*''Conferva patens'' <small>Dillwyn 1809</small> |
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*''Conferva stricta'' <small>Mertens ex Dillwyn 1804</small> |
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*''[[Ceramium]] strictum'' <small>(Mertens ex Dillwyn) Poiret 1811</small> |
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*''[[Hutchinsia]] abyssina'' <small>Lyngbye 1880</small> |
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*''Hutchinsia comosa'' <small>C.Agardh 1824</small> |
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*''Hutchinsia roseola'' <small>C.Agardh 1828</small> |
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*''Hutchinsia stricta'' <small>(Mertens ex Dillwyn) C.Agardh 1817</small> |
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*''Hutchinsia urceolata'' <small>(Lightfoot ex Dillwyn) Lyngbye 1819</small> |
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*''Polysiphonia formosa'' <small>Suhr 1831</small> |
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*''Polysiphonia patens'' <small>(Dillwyn) Harvey 1833</small> |
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*''Polysiphonia pulvinata'' <small>Liebmann 1845</small> |
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*''Polysiphonia roseola'' <small>(C.Agardh) Fries 1835</small> |
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*''Polysiphonia spiralis'' <small>L.Batten 1923</small> |
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*''Polysiphonia urceolata'' <small>(Lightfoot ex Dillwyn) Greville 1824</small> |
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*''Polysiphonia urceolata f. comosa'' <small>(C.Agardh) J.Agardh 1863</small> |
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*''Polysiphonia urceolata f. formosa'' <small>(Suhr) J.Agardh 1863</small> |
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*''Polysiphonia urceolata f. pulvinata'' <small>Kylin 1907</small> |
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*''Polysiphonia urceolata f. roseola'' <small>(C.Agardh) J.Agardh 1863</small> |
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*''Polysiphonia urceolata f. typica'' <small>Kjellman 1883</small> |
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==Description== |
==Description== |
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''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 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> |
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==Reproduction== |
==Reproduction== |
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[[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"/> |
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==Habitat== |
==Habitat== |
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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"/> |
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==Distribution== |
==Distribution== |
Latest revision as of 18:16, 10 March 2021
Polysiphonia stricta | |
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Scientific classification | |
(unranked): | Archaeplastida |
Division: | Rhodophyta |
Class: | Florideophyceae |
Order: | Ceramiales |
Family: | Rhodomelaceae |
Genus: | Polysiphonia |
Species: | P. stricta
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Binomial name | |
Polysiphonia stricta (Dillwyn) Greville
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Synonyms[1] | |
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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]
- ^ 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.
- ^ 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
- ^ 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