Dumontia contorta: Difference between revisions

From Wikipedia, the free encyclopedia
Content deleted Content added
Phycodrys (talk | contribs)
Phycodrys (talk | contribs)
Line 13: Line 13:


==Reproduction==
==Reproduction==
The plants are [[dioecious]](sexes separate) with [[spermatangia]], [[carposporangia]], and [[tetrasporangia]].<ref name="Irvine 83"/>
The plants are [[dioecious]] (sexes separate) with [[spermatangia]], [[carposporangia]], and [[tetrasporangia]].<ref name="Irvine 83"/>


==Habitat==
==Habitat==

Revision as of 14:47, 1 May 2020

Dumontia contorta
Scientific classification Edit this classification
Missing taxonomy template (fix): Dumontia
Species:
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]

Reproduction

The plants are dioecious (sexes separate) 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

  1. ^ 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
  2. ^ Jones, W.E. 1964. A key to the genera of the British seaweeds. Field Studies 1 no.4:1 - 32
  3. ^ Morton, O. 2003. The marine macroalgae of County Donegal, Ireland. Bulletin of the Irish Biogeographical Society No. 27 pp.3 - 164