![](https://sciencepress.mnhn.fr/sites/default/files/periodiques/visuels/grand/adansonia-grand-visuel_0.jpg)
Four new species of Acropogon (Malvaceae, Sterculieae), endemic to New Caledonia, growing on ultramafic soil, are described and illustrated from their morphological characters. Their ecogeographic features are presented along with a conservation assessment of each species according to IUCN Red List Criteria.
Malvaceae, Sterculieae, Acropogon, ultramafic soil, New Caledonia, conservation, new species