Halidrys siliquosa
Species of Phaeophyceae
Halidrys siliquosa | |
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A fresh piece of Halidrys siliquosa lying in a tray, with some other seaweeds | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Clade: | Diaphoretickes |
Clade: | SAR |
Clade: | Stramenopiles |
Phylum: | Gyrista |
Subphylum: | Ochrophytina |
Class: | Phaeophyceae |
Order: | Fucales |
Family: | Sargassaceae |
Genus: | Halidrys |
Species: | H. siliquosa |
Binomial name | |
Halidrys siliquosa (Linnaeus) Lyngbye |
Halidrys siliquosa is a large marine brown algae.
Description
Halidrys siliquosa is a large brown alga growing to a length of 120 centimetres (47 in). The fronds are somewhat flattened, tough and leathery. They and less than 1 cm broad. The branches occur alternately arranged in one plane. Air bladders occur and are oblong and pointed. The plants are attached by a discoid holdfast.[1]
![](http://upload.wikimedia.org/wikipedia/commons/thumb/d/d9/Alger%2C_Halidrys_siliquosa%2C_Nordisk_familjebok.png/220px-Alger%2C_Halidrys_siliquosa%2C_Nordisk_familjebok.png)
Reproduction
The plants are hermaphroditic,[2] bearing bisexual conceptacles appearing as pods on stalks at the end of branches.[1]
Distribution
Generally found around Ireland, Great Britain - including Shetland and the Isle of Man.[1][3]
Habitat
Low level, low littoral, rock pools.[1]
References
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- ^ a b c d Bunker, F.StP., Maggs, C.A., Brodie, J.A. Bunker, A.R. 2017 Seaweeds of Britain and Ireland. Second Edition Wild Nature Press, Plymouth,UK
- ^ Newton, L. 1931. A Handbook of the British Seaweeds. British Museum, London
- ^ Hardy, F.G. and Guiry, M.D. 2003. A Check-list of the Seaweeds of Britain and Ireland. The British Phycological Society ISBN 0-9527115-16