[3][4] It contains one known species, Anomostachys lastellei, endemic to Madagascar.

[2][5] Anomostachys lastellei is a tree which grows up to 20 meters high.

[1] Anomostachys lastellei is native to Antananarivo, Antsiranana, Fianarantsoa, Toamasina, Toliara and Mahajanga provinces of eastern Madagascar.

[1] It inhabits the humid lowland forests and mid-elevation montane forests from 80 to 1,150 meters elevation.

It is found in primary forests and degraded vegetation, on humus, sandy, rocky, or quartzitic soils.