Gelidium pulchellum (Turner) J.V. Lamouroux
Description: Cartilaginous, regularly or irregularly
bipinnate, dark red-brown fronds, 50-100 mm high, arising from a
creeping base. Main axes narrow, cylindrical, somewhat flattened
above. Ultimate branches short, pointed at first, later ±
spathulate, particularly when reproductive. Appearance variable
with habitat and time of year.
Habitat: Abundant in and around tidal pools in mid- and
lower intertidal in high-light situations. Generally epiphytic
on
Corallina officinalis
and growing on limpets. Widely distributed, common.
Similar species:
Gelidium spinosum is
more flattened and more regularly pinnately branched and occurs
in lower-shore habitats and in the subtidal.
Pterocladiella capillacea
is much less common, more regular and pyramidal in outline.
Key characteristics: Pinnate branching, mid- and
lower-intertidal low-light habitats, and slighly flattened main
axis.
Link:
AlgaeBase
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