- Leaves simple, alternate or opposite, with sparse large crenations or entire.
- Free stipules, often large and conspicuous.
- Petiole apex often tipped up, but not swollen.
- Flowers lack petals.
- Fruit red with pliable spines.
Diagnosis: One genus of trees with large free stipules, most with leaves simple, alternate, with few irregular large crenations, long petiole with double pulvinus; one species with simple opposite leaves.
Diversity: Total: 2 genera, 5 species. Trees: 2 genera, 5 species.