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Rhodophyta · Red Seaweed

Sparlingia pertusa

(Postels & Ruprecht) G.W.Saunders, I.M.Strachan & Kraft
Phylum
Rhodophyta
Class
Florideophyceae
Order
Rhodymeniales
Family
Rhodymeniaceae

Sparlingia pertusa

Red eyelet silk

Authority
(Postels & Ruprecht) G.W.Saunders, I.M.Strachan & Kraft
Thallus is rose red (bleaching to yellow later in season), somewhat crisp, reaching 60 cm (24 in) tall and 20 cm (8 in) wide. The blade is usually undivided (entire), rounded at the top, perforated with small holes, tapering rapidly to a stipe (variable length), and attached to a small discoidal holdfast. Cystocarps occur as small dark bumps on blade surface.

Habitat

This annual is found on rock in the low intertidal and subtidal to 18 m of semi-exposed shores.

North Pacific Distribution

Bering Sea and Aleutian Islands, Alaska to Oregon; Korea; Japan; Russia

Former scientific names

Porphyra pertusa, Rhodymenia pertusa, Palmaria pertusa, Rhodymenia stipitata

Similar taxa

Devaleraea mollis

References

Last updated December 26, 2010

Photos