Bryopsidales Halimedaceae

Halimeda macroloba Decaisne

Halimeda macroloba Decaisne

Thallus form and type Substratum Occurrence Season Abundance Description

Distribution

Dwarka: N 22° 14.61'; E 68° 57.28' Okha: N 22° 28.45'; E 69° 4.20' Porbandar: N 21° 37.92'; E 69° 36.48' Shivrajpur: N 22° 19.87'; E 68° 56.95' Veraval: N 20° 54.87'; E 70° 20.83'

Articulated and calcified fronds

Intertidal rocks and calcareous stones

Infra littoral fringe and sub littoral zone, tide pools

November-April

Scanty

Plants green in colour when not calcified, solitary, erect, 7 - 12 cm long, branched in one plane giving it a flat appearance, attached by a cylindrical holdfast; upper segments discoid, reniform, rounded, 0.5 - 1.5 cm high, 1.5 - 2.0 cm broad, margins thick entire; branching di- to tri-chotomous above and polychotomous at the basal part (Figs. a, b); cortex commonly composed of 3 - 4 layers of utricles, outermost utricles slightly attached when young and separating on decalcification when fertile. It is abundant on dead corals.

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