Cariniana Casar.

Canopy to emergent trees. Leaves scattered along branches, small to medium-sized (3-16 cm long), glabrous to puberulous; domatia present in secondary vein axils of most species; secondary venation reticulate. Inflorescences terminal or axillary, racemose or once-branched paniculate arrangements of racemes, growth of rachises determinate. Flowers present with leaves, zygomorphic; sepals 6; petals 6; flat at apices; androecium forming short, membranous tube, prolonged on one side into ligule but hood not developed, the stamens scattered over inner surface of tube, not reflexed, the anthers laterally dehiscent; ovary 3-locular, ovules ca. 6 per locule, attached in middle of locule (this needs to be confirmed), the style without stylar collar. Fruit dehiscent, remaining on tree at maturity, cylindric, pericarp relatively thick. Seeds unilaterally winged, numerous, not flattened, not embedded in pulp, the testa glabrous; cotyledons leaf-like, opposite.