Australian logrunner one of only three species within the single Orthonyx genus; the other two are the chowcilla ("Orthonyx spaldingii") from northern Queensland and the New Guinean logrunner ("Orthonyx novaeguineae") from Papua New Guinea. Logrunners as a group are characterised within their group by their distinctive tail feathers where the rachis (or central shafts) of the tail feathers protrude and are stiffened. The broad tail of the bird is less than four inches (10 cm) in length and the strong protruding rachis at the ends of the tail feathers are almost void of the usual barbs, giving the feather the appearance of
Acorus calamus widely and frequently used herbal medicines among the Chipewyan people. The Potawatomi people powdered the dried root and placed this up the nose for catarrh. This plant is sometimes used as a pond plant in horticulture. There is at least one ornamental cultivar known; it is usually called 'Variegatus', but the RHS recommends calling it 'Argenteostriatus'. Both triploid and tetraploid "A. calamus" contain alpha-asarone. Other phytochemicals include: Diploids do not contain beta-asarone (β-asarone). The calamus has long been a symbol of love. The name is associated with a Greek myth: Kalamos, son of the river-god Maeander, who loved the youth