Alseuosmia is a genus of five species of flowering plants in the family Alseuosmiaceae, growing in New Zealand's North Island.

[2] An example occurrence of species representative Alseuosmia macrophylla is in the habitat of the Hamilton Ecological District, where Blechnum discolor and B. filiforme are understory elements with a Nothofagus truncata and Dacrydium cupressinum overstory.

[3] Alseuosmia was first described in 1839 from specimens collected in Northland forests by Cunningham.

[1] A. quercifolia is the most common of the species in lowland native forest of Waikato, sometimes known as A. Hakarimata.

It has red or pink flowers of 5 petals,[4] clustered at base of leaves,[5] giving a strong scent.