Rhodophyta · Red Seaweed

Palmaria hecatensis

M.W.Hawkes
Phylum
Rhodophyta
Class
Florideophyceae
Order
Palmariales
Family
Palmariaceae

Palmaria hecatensis

Stiff red ribbon

Authority
M.W.Hawkes
Thallus is leathery, somewhat shiny, deep red to maroon, to at least 20 cm (8 in) tall. The blade is strap-like, unbranched or with 1 or 2 lobes with rounded tips, tapering to a discoidal holdfast.

Habitat

This annual is found on rock in the mid to low intertidal (usually above P. mollis) of semi-exposed habitats. This species is edible, a good source of vitamins and minerals, and similar to the Atlantic species P. palmata (dulse).

North Pacific Distribution

Aleutian Islands, Alaska to northern California; Russia

Former scientific names

misidentified as Rhodymenia palmata f. palmata, Palmaria palmata

Similar taxa

Palmaria mollis is thinner and more glove-shaped than the mitten-shape of P. hecatensis.

Last updated December 26, 2010

Photos