Tall shrubs or trees. Leaves opposite, simple (not in Victoria) or pinnate; interpetiolar stipules present, small, caducous; leaf and flower buds resinous. Flowers solitary or in small clusters in upper leaf axils, actinomorphic, bisexual, bracts persistent; sepals 4, cohering at the apex into a calyptra and falling as the flower opens; petals 4, imbricate; stamens numerous, in several whorls, hypogynous; anthers versatile, locules opening longitudinally, filaments slender, inserted on a nectar-secreting disk; ovary superior, of 5–12 fused locules, with several pendulous ovules per locule; styles equal in number to locules, slender, persistent in fruit. Fruit a capsule, woody or leathery (not in Victoria), opening septicidally; seeds few, winged.
1 genus and 7 species, restricted to the Southern Hemisphere; 5 endemic in Australia, 2 in Chile.
Previously recognised in the monotypic family Eucryphiaceae.