A new species Schismatoclada spathulata D. Strid & Razafim. (Rubiaceae) from the Marojejy National Park in northeastern Madagascar is described and illustrated. The new species differs from the other Schismatoclada Baker species by the combination of spathulate leaves and ellipsoid seeds that are bilaterally flattened and broadly winged all around. It is known only from the Beondrika Massif of the Marojejy National Park, and has not been seen below 1200 m altitude. It is assigned a preliminary conservation status of “Least Concern” following IUCN Red List, as no sign of degradation of its habitat has been observed.