1. Compressed, tufted, dark purplish brown fronds, to 120 mm high, main axis 1-4 mm broad. Once or twice pinnate, axes and branchlets tapered at base and apex.
2. Habitat: On rock in pools. mid-intertidal to shallow subtidal, sporadic, often locally common; SW England and Wales, S and W Ireland north to Donegal.
Jun Yu, Beijing Institute of Genomics, Chinese Academy of Sciences. Submitted to 1000 Plant (1KP) Transcriptomes.