- Leaves simple, alternate, entire, glabrous, often bunched at twig tips.
- Without stipules.
- Sympodial branching.
- Flowers small, 5-lobed cream calyx with 10 exserted stamens, petals lacking.
- Fruit with two wings.
Diagnosis: Trees and lianas, the trees with butresses, some with smooth pealing bark, sympodial branching, without stipules, leaves simple, alternate, entire, bunched at twig tips.
Local distribution: Pacific and Atlantic slopes below 1000 m.
|Boraginaceae||: inner bark oxidizes orange-brown, not smooth and pealing, leaves either elliptic or pubescent, a leaf arising at twigs fork.
Diversity: Total: 2 genera, 3 species. Trees: 1 genus, 2 species.