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Ochrophyta · Brown Seaweed

Melanosiphon intestinalis

(D.A.Saunders) M.J.Wynne
Phylum
Ochrophyta
Class
Phaeophyceae
Order
Ectocarpales
Family
Scytosiphonaceae

Melanosiphon intestinalis

Twisted sea tubes

Authority
(D.A.Saunders) M.J.Wynne
Thallus is a partly hollow, unbranched cylinder lacking constrictions and ranging from light to dark brown in color, usually with a reddish cast, and sometimes appearing twisted. Clusters of the tubular thalli arise from a discoidal holdfast and often form mats. Thalli grow up to 35 cm (13.7 in) tall.

Habitat

This weedy annual can be found in high tidepools and on mid to low intertidal rock from protected to semi-exposed habitats.

North Pacific Distribution

Bering Sea and Aleutian Islands, Alaska to San Mateo County, California; Korea; Japan

Former scientific names

Myelophycus intestinalis

Similar taxa

Scytosiphon spp.

References

Last updated December 26, 2010

Photos