- Leaves simple, alternate, serrate, distichous.
- Straight lateral veins with one tooth per vein.
- With stipules.
- Flowers without petals, unisexual, males on axillary catkins.
- Fruit a drupe with hard, green to purple rind, seeds grooved.
Diagnosis: One tree species, with free deciduous stipules, stipule scar circles twig, leaves distichous, simple, alternate, serrate, one tooth per lateral vein, straight parallel lateral veins, glabrous, dark brown dead leaves on ground.
|Betulaceae||: two teeth per lateral vein, stipule scars linear, riparian flood plains.
|Rhamnaceae||: fine teeth, lateral veins straight near base, curving upward distally.
Diversity: Total: 1 genus, 1 species. Trees: 1 genus, 1 species.