Ceramiales Dasyaceae

Distribution

Okha: N 22° 28.49'; E 69° 04.57' Porbandar: N 21° 37.92'; E 69° 36.48'

Distribution

Okha: N 22° 28.49'; E 69° 04.57' Porbandar: N 21° 37.92'; E 69° 36.48'

Heterosiphonia muelleri (Sonder) De Toni

Heterosiphonia muelleri (Sonder) De Toni

Thallus form and type

Substratum

Occurrence

Season

Abundance

Description

Remiform, polysiphonous and feathery Intertidal rocks, calcareous stones Lower mid littoral zone November-April Scanty

Plants dark red to brownish red in colour, bushy, attached by rhizoidal holdfast, 10 - 15 cm tall; erect axes feather like (Figs. a, b), 2 - 3 mm thick, pinnately branched up to 3rd order, heavily corticated towards the base, branches alternating in two rows on both sides of main axis, ultimate branches spine-like and polysip-honous at the base and monosiphonous at the distal portion; distal portion dichoto-mously branched pseudolaterals formed from the middle of the ultimate branches.

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