Dumontia contorta: Difference between revisions
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| genus = Dumontia |
| genus = Dumontia |
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| species = contorta |
| species = contorta |
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| authority = (S.G. Gmelin) Ruprecht |
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==Description== |
==Description== |
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The thallus grows from a discoid [[holdfast]] to a length of about 23 |
The [[thallus]] grows from a discoid [[holdfast]] to a length of about {{convert|23|cm}}. The [[frond]]s branch irregularly and sparingly.<ref>Jones, W.E. 1964. A key to the genera of the British seaweeds. ''Field Studies'' '''1''' no.4:1 - 32</ref> The branches are hollow, soft and twisted, dark reddish brown in colour which bleach towards the tips, they clearly taper at their junction.<ref name="Irvine 83"/> |
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The plants are dioecious with spermatangia, carposporangia and tetrasporangia.<ref name="Irvine 83"/> |
The plants are [[dioecious]] with [[spermatangia]], [[carposporangia]], and [[tetrasporangia]].<ref name="Irvine 83"/> |
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==Habitat== |
==Habitat== |
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Generally epilithic in rock pools of the littoral.<ref name="Irvine 83"/> |
Generally [[epilithic]] in [[Tide pool|rock pools]] of the [[littoral zone]].<ref name="Irvine 83"/> |
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==Distribution== |
==Distribution== |
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Common around the [[British Isles]]. [[Europe]] from Russia to [[Portugal]] and Canada to United States. In the NW [[Pacific]] and [[Alaska]].<ref name="Irvine 83"/><ref>Morton, O. 2003. The marine macroalgae of County Donegal, Ireland. ''Bulletin of the Irish Biogeographical Society'' No. 27 pp.3 - 164</ref> |
Common around the [[British Isles]]. [[Europe]] from [[Russia]] to [[Portugal]] and [[Canada]] to [[United States]]. In the NW [[Pacific Ocean|Pacific]] and [[Alaska]].<ref name="Irvine 83"/><ref>Morton, O. 2003. The marine macroalgae of County Donegal, Ireland. ''Bulletin of the Irish Biogeographical Society'' No. 27 pp.3 - 164</ref> |
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{{Empty section|date=December 2015}} |
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==References== |
==References== |
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Revision as of 17:05, 27 April 2018
| Dumontia contorta | |
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Scientific classification 
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| Missing taxonomy template (fix): | Dumontia |
| Species: | Template:Taxonomy/DumontiaD. contorta
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| Binomial name | |
| Template:Taxonomy/DumontiaDumontia contorta | |
Dumontia contorta is a relatively small epiphytic algae of the sea-shore.
Description
The thallus grows from a discoid holdfast to a length of about 23 centimetres (9.1 in). The fronds branch irregularly and sparingly.[2] The branches are hollow, soft and twisted, dark reddish brown in colour which bleach towards the tips, they clearly taper at their junction.[1]
The plants are dioecious with spermatangia, carposporangia, and tetrasporangia.[1]
Habitat
Generally epilithic in rock pools of the littoral zone.[1]
Distribution
Common around the British Isles. Europe from Russia to Portugal and Canada to United States. In the NW Pacific and Alaska.[1][3]
References
- ^ a b c d e Irvine, L.M. 1983. Seaweeds of the British Isles Volume 1 Rhodophyta. Part 2A. British Museum (Natural History) ISBN 0 565 00871 4
- ^ Jones, W.E. 1964. A key to the genera of the British seaweeds. Field Studies 1 no.4:1 - 32
- ^ Morton, O. 2003. The marine macroalgae of County Donegal, Ireland. Bulletin of the Irish Biogeographical Society No. 27 pp.3 - 164