Phylum: Phaeophyta

Class: Phaeophyceae

Order: Laminariales

Family: Laminaracea

Hedophyllum sessile (C. Agardh) Setchell

 

Description: This plant is an ovate blade with a short stipe when young, but the stipitate region soon disappears and subsequently the profusely branched root-like holdfast arises from the base of the blade.  The blade becomes markedly furled and often deeply dissected (especially in surf-swept regions).  The plant is 30-150 cm. long and up to 80 cm. wide.  The surface of the blade is densely bullate, except near the base, where it is smooth (in surf-swept regions it may be completely smooth)>

 

Habitat:  On rocks in the middle and lower intertidal and upper subtidal zones.

 

Pacific Coast Distribution:  Alaska to California.

                                                                                      Robert Scagel, 1972

 

H. sessile and P. scouleri at low tide mark

H. sessile and P. scouleri at low tide mark

H. sessile showing deep dissections of the blade

H. sessile showing furled edges

H. sessile on west-end of Race Rocks jetty

H. sessile  with dried edges

H. sessile showing furled edges

H. sessile with rising tide

H. sessile with local hydrocoral