A genus of tall shrubs, with alternate, often leathery leaves which are entire or toothed, with or without stipules. The flowers are irregular, bisexual, and held in pairs. They are showy, red, and composed of 4 perianth lobes with reflexed tips. Two to 4 scales, like petals, alternate with the lobes. The 4 stamens are attached to the lobes. The ovary is superior, with a single carpel and 4 ovules in the single locule. The fruit is a hard, sessile follicle with single-winged seeds. There are 4 species, endemic (see endemism) to eastern Australia and Tasmania.
Subjects: Plant Sciences and Forestry.