Image Steve Trewhella - Porphyra umbilicalis. Image width ca XX cm.
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Porphyra umbilicalis is not listed under any importance categories.
|Recorded Distribution in Britain and Ireland||Abundant on rocky shores throughout Britain and Ireland.|
|Habitat information||Purple laver is highly adaptable to conditions on different parts of the rocky shore and able to withstand prolonged periods of exposure to the air as well as tolerating a greater degree of wave action than most other red algae. It occurs singly or in dense colonies throughout the intertidal but most frequently at upper levels.|
|Description||A small red alga (up to 20 cm across) with an irregularly shaped, broad frond that is membranous but tough. The plant attaches to rock via a minute discoid hold-fast, is greenish when young becoming purplish-red and has a polythene-like texture.|
|Additional information||Also known as sloke, the plant is boiled and eaten as a jelly in South Wales. Used to make laver bread a famous dish in south Wales and reportedly eaten cold with vinegar in Cornwall.|
This review can be cited as follows:
Paolo Pizzolla 2008. Porphyra umbilicalis. Purple laver. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 23/11/2014]. Available from: <http://www.marlin.ac.uk/speciesinformation.php?speciesID=4194>