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Plumaria plumosa (Hudson) O. Kuntze

Also known as Plumaria elegans (Bonnemaison) Schmitz
Description: Soft, tufted, flaccid, dull blackish or brownish-red fronds, monosiphonous, corticate below, ecorticate above, to 100 mm long. Fronds repeatedly pinnate, branching dichotomous or alternate, ramuli opposite. Ultimate ramuli close-set, blunt, recurved, longer on outer side than on inner (bottom picture).
Habitat: On shady vertical rock faces (above), lower intertidal, widely distributed, may be very abundant between closely set boulders on southern and western shores.

Schmitzia hiscockiana
Plumaria plumosa Ireland

Species list

Schmitzia hiscockiana