Ceramiales Dasyaceae

Distribution

Okha: N 22° 28.49'; E 69° 04.57' Porbandar: N 21° 37.92'; E 69° 36.48' Veraval: N 20° 54.87'; E 70° 20.83'

Heterosiphonia crispella (C. Agardh) Wynne

Thallus form and type

Substratum

Occurrence

Season

Abundance

Description

Remiform and polysiphonous

Intertidal rocks

Upper mid littoral zone

November-April

Scanty

Plants dark red in colour (Fig. a), 2 - 3 cm tall, attached by a rhizoidal base; main axis polysiphonous, irregularly branched with 4 - 5 pericentrals, cortication absent; branchlets monosiphonous, sub-dichotomous, basal region of branches polysiphonous and continuous with the main axis; tetrasporangia in stichidia borne on two or three celled monosiphonous stalks; tetrasporangia single in each fertile segment.

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