Plants rose to dark red, mostly 6 to 13 cm tall. Arising from a discoid holdfast of 1 to 2 mm. Branching is dichotomous, fan shaped. Branches cylindrical, 1-2 mm in diameter below, broadening to 3.5 to 5 mm. Terminal blades with pointed tips.

Found growing on rocks, rare in California, more common further south.

Upper subtidal; Southern California to Gulf of California, Mexico.