Diels ex J.F.Macbr.
It is an evergreen tree that measures up to 15 m (50 ft) tall and 80 cm (31 in) in diameter. Light-grey bark with longitudinal fissures. The leaves are alternate, ovate, heart-shaped base, the petioles are about 2–3 cm long, the leaves are 5-20 long and 4–12 cm wide, toothed edge, dark glossy green above and dull below, the nervation is distinct underneath, The flowers are hermaphrodite, greenish-yellow color, covered in a rusty red, the flowers are arranged in axillary clustered inflorescences . Every flower is formed by four linear tepals, 4 sessile stamens and a shorter style. The fruit is a greyish-black follicle almost woody and oval-oblong shaped 2–4 cm long, made up by two valves. Brown winged seeds arranged in imbricate form about 15 mm wide and 5.6 mm long.
Lomatia; from the Greek lomas ('fringe'), because of the seeds' edge, hirsuta from the Latin 'hairy'; the Spanish name is 'radal', which in turn comes from Mapudungun radal, the Mapuche name of this plant.
The wood has beautiful marks, it is similar to Chilean hazel but less elegant. The leaves are used for dyeing wood brown color. It has been planted in Spain and in the British Isles as far north as Scotland.