Plants in the genus Agonis are shrubs or trees with bisexual flowers arranged in heads in leaf axils with 5 sepals and usually 5 white petals, each with 15 to 30 stamens arranged opposite the sepals, and the fruit a woody capsule.

Plants in the genus Agonis are shrubs or trees, the leaves simple with small glands.

The flowers have a leathery floral tube, 5 egg-shaped or triangular sepals, 5 white petals and 15 to 30 stamens in a single whorl with 6 or 7 stamens opposite the sepals and none opposite the petals.

[2][3] This genus was first formally described in 1828 by Augustin Pyramus de Candolle as Leptospermum sect.

[6][7] The following is a list of Agonis species accepted by Plants of the World Online as at August 2024:[1]