sea palm

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sea palm

n.
An edible brown alga (Postelsia palmaeformis) found in the intertidal zone along the Pacific coast of North America, having a shape resembling a palm tree with numerous blades on top of a long stipe.
References in periodicals archive ?
British Columbia's Adrienne Mason, acclaimed non-fiction author and editor, has recently become the co-owner of the new Postelsia Press, committed to producing books and miscellany related to the west coast of Vancouver Island for both children and adults.
1991) found that dense stands of the sea palm Postelsia palmaeformis provided mechanical support for central members, which drooped over when the surrounding neighbors were removed.
Intertidal "trees": consequences of aggregation on the mechanical and photosynthetic properties of sea palms Postelsia palmaeformis Ruprecht.
Effects of wave-induced light flecks in the intertidal zone on the photosynthesis in the macroalgae Postelsia palmaeformis and Hedophyllum sessile (Phaeophyceae).
Nearer the infralittoral there are some very strange-looking palmiform seaweeds, Postelsia, which remain upright out of the water after the tide has gone out.
This photograph of the rocky shore of the Olympic National Park (state of Washington, US) shows the erect palmate thalluses of Postelsia palmaeformis and the deeply-cut thalluses of Egregia menziesii with their buoyancy bladders.
Intertidal trees: consequences of aggregation on the mechanical and photosynthetic properties of sea-palms Postelsia palmaeformis.
aculeata (Chapman and Burrows 1970), and for the annual kelps Laminaria ephemera (Klinger 1984) and Postelsia palmaeformis (Blanchette 1996).
Seasonal patterns of disturbance influence recruitment of the sea palm, Postelsia palmaeformis.
Disaster, catastrophe, and local persistence of the sea palm Postelsia palmaeformis.