Luzula rufa, or red woodrush, is a species of rush that is endemic to New Zealand. Description. "Luzula rufa" is perennial. Its growth pattern is scattered and grass-like, with long thin stems. The inflorescence is a single head, with one to three clusters. The tepals and the capsules are red brown, and get darker as the plant ages. Range and habitat. This plant grows across New Zealand on all three main islands and the Chatham Islands. Ecology. It grows together with "Dracophyllum" and "Celmisia" in alpine communities. Etymology. "rufa" is a reference to the colour of the plant, and means 'rusty'. Taxonomy. "Luzula rufa" contains the following varieties: