s A Field Guide to the British Seaweeds - NMBAQC
s A Field Guide to the British Seaweeds - NMBAQC
s A Field Guide to the British Seaweeds - NMBAQC
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Petalonia fascia<br />
Frond thin, membranous and foliose, but<br />
also quite <strong>to</strong>ugh, strong and elastic. Frond<br />
appearing as a simple undivided ribbon<br />
shape which narrows <strong>to</strong> a short stipe at<br />
<strong>the</strong> base, branching only occurs from <strong>the</strong><br />
base. Frond can vary but can be wavy and<br />
crinkly at <strong>the</strong> edges growing up <strong>to</strong> 30cm<br />
long, can be mistaken for juvenile<br />
Laminaria plants. Found in rockpools<br />
particularly shallow ones with a soft<br />
substrate.<br />
Plant in sandy<br />
bot<strong>to</strong>med rockpool Frond of Petalonia with<br />
reproductive bides shown<br />
as dark small patches<br />
Plant only branched from<br />
base with simple<br />
attachment structure<br />
Cells of Petalonia as seen under greater<br />
magnification showing regular arrangement<br />
and discoid chloroplasts