s A Field Guide to the British Seaweeds - NMBAQC

Alaria esculente
Plant consisting of a distinct thick flattened
and leathery midrib and cylindrical stipe
leading to a claw shaped holdfast. The lamina
tends to be slightly wavy, membranous and is
often quite torn and tatty due to its slightly
delicate consistency. A large plant often found
growing up to 5m long and generally located
in the lower littoral and sublittoral but may be
found within lower shore deep rockpools.
Light brown/tan in colour.
Claw-like holdfast extending to
cylindrical thick stipe
Distinct midrib with delicate and torn lamina
often feather-like within a rockpool, and on open
hard substrate looking slightly membranous