Rhodophyta · Red Seaweed

Dumontia alaskana

V.Tai, S.C.Lindstrom & G.W.Saunders
Phylum
Rhodophyta
Class
Florideophyceae
Order
Gigartinales
Family
Dumontiaceae

Dumontia alaskana

Purple pencils

Authority
V.Tai, S.C.Lindstrom & G.W.Saunders
The dark red to pale pink, partially hollow, contorted, and tubular thallus reaches 27 cm (11 in) tall, with a single order of slightly narrower and shorter, irregularly placed branches.

Habitat

A spring annual often gone by June, it is found on rock in mid intertidal tidepools of semi-exposed to protected habitats.

North Pacific Distribution

Bering Sea and Aleutian Islands to Southeast Alaska; Korea

Former scientific names

misidentified as Dumontia contorta, Dumontia filiformis, Dumontia incrassata

Similar taxa

Hollow forms of Devaleraea callophylloides have a more papery texture and are usually more proliferously branched.

Last updated December 26, 2010

Photos