Halidrys siliquosa
| Halidrys siliquosa | |
|---|---|
 | |
| A fresh piece of Halidrys siliquosa lying in a tray, with some other seaweeds | |
Scientific classification  | |
| Kingdom: | Chromista |
| Phylum: | Ochrophyta |
| Class: | Phaeophyceae |
| Order: | Fucales |
| Family: | Sargassaceae |
| Genus: | Halidrys |
| Species: | H. siliquosa |
| Binomial name | |
| Halidrys siliquosa | |
Halidrys siliquosa is a large marine brown algae.
Halidrys siliquosa herbarium sheet. Collected in Heligoland, Germany
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]
Halidrys siliquosa cross-section
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]
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References
- 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
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