Description: The dark red to pale pink, partially hollow, contorted, and tubular thallus reaches 27 cm (11 in) tall, with a single order of slightly narrower and shorter, irregularly placed branches. Habitat: A spring annual often gone by June, it is found on rock in mid intertidal tidepools of semi-exposed to protected habitats. Similar taxa: Hollow forms of Devaleraea callophylloides have a more papery texture and are usually more proliferously branched.