Hawai'i Coral Reef Network

Marine Plants of Hawai'i

Order Fucales

Sargassum echinocarpum
Description: Golden to dark brown holly-leaf like blades with mid rib and flattened stems.
Size:  5-70cm tall with blades at 0.3-2cm wide.

Sargassum obtusifolium
Description: found in tide pools and reef flats. Brown leaf like blades with midrib, round smooth main stems and gas bladders on round smooth stalks.
Size: 5-50cm tall and 0.3-2cm wide.

Sargassum polyphyllum
Description: Many brown blades with a midrib, and when present gas bladders with leaf like stalks. Stems show short spiny projections
Size: grows 5-40cm tall with blades .5-1cm wide.
Habitat: found in wave swept benches, tide pools and on reef flats, and occasionally deeper depths.

Turbinaria ornata  
Description: stiff erect seaweed with distinctive angular turban-like blades and a central stipe. Light golden brown color
Size: grows 2-20 cm tall.
Habitat: on rocky intertidal coastlines in tidepools and on reef flats and crests.
Photograph: Richardson's Beach Park, Hilo Hawai'i. 1997

Last update: 1/25/2005