Fucales Sargassaceae

Sargassum cinereum J. Agardh

Thallus form and type : Substratum Occurrence Season Abundance Description

Distribution

Dwarka: N 22° 14.61'; E 68° 57.28' Okha: N 22° 28.50'; E 69° 04.32' Porbandar: N 21° 38.24'; E 69° 35.81' Shivrajpur: N 22° 19.87'; E 68° 56.95' Veraval: N 20° 54.87'; E 70° 20.83'

Foliose and bushy Intertidal rocks

Infra littoral fringe and sub littoral zone, tide pools

November-April

Dominant

Plants dark brown in colour, up to 30 cm tall, leaves at the basal parts 1 - 2 cm long, 4 - 5 mm wide with rounded apices, cuneate bases, wavy, with entire margins or with coarse marginal teeth, upper leaves cuneate - lanceolate, 1 - 1.5 cm long, 2 - 3 mm broad costate, dentate, partly curved (Figs. a, b); vesicles 4 mm long, 3 -4 mm broad, receptacles single or 2 - 3 together in a leafy and vesiculate raceme (Fig. c).

The species of Sargassum are used for alginate and liquid seaweed fertilizer production in India

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