Shrubs or small trees with stellate indumentum, often becoming glabrous with age. Leaves alternate, sometimes fascicled, petiolate to subsessile. Flowers bisexual, in axillary or terminal cymes, or solitary; epicalyx absent; calyx 5-lobed, campanulate or hemispherical; petals usually 5, free, white, asymmetrical; stamens numerous; filaments fused basally into a short staminal tube; styles equal in number to carpels (and mericarps); stigmas capitate; ovules 1 per carpel. Fruit a schizocarp; mericarps 5–15, indehiscent, usually conspicuously winged.
6 species all endemic to New Zealand, 1 sparingly established in Australia.