Halymeniales Halymeniaceae

Halymenia porphyraeformis Parkinson

Thallus form and type

Substratum

Occurrence

Season

Abundance

Description

Leafy and mucilaginous Intertidal rocks

Lower mid littoral zone and infra littoral fringe

November-April

Scanty

Plants rose red in colour, up to 48 cm long, 40 cm wide, erect, tough and elastic in consistency, cordate base and sinuate or wavy margins; fronds sometimes lobed in the upper position (Figs. a, b); tetrasporangia ovoid to sub-spherical, cru-ciately divided and scattered in the cortical layers; cystocarps sub-spherical, scattered in the thallus and extending out into the medullary region. Halymenia species are used for food

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