Domain Eukaryota Class Rhodophyceae Family Dumontiaceae Rank Species | Division Rhodophyta Order Gigartinales Genus Dumontia | |
Similar Dilsea carnosa, Phycodrys rubens, Ahnfeltia plicata, Bonnemaisonia hamifera, Dilsea | ||
Dumontia contorta (S.G. Gmelin) Ruprecht
Contents
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 cm. The fronds branch irregularly and sparingly. The branches are hollow, soft and twisted, dark reddish brown in colour which bleach towards the tips, they clearly taper at their junction. The plants are dioecious with spermatangia, carposporangia and tetrasporangia.
Habitat
Generally epilithic in rock pools of the littoral.
Distribution
Common around the British Isles. Europe from Russia to Portugal and Canada to United States. In the NW Pacific and Alaska.
References
Dumontia contorta Wikipedia(Text) CC BY-SA