- Leaves simple, alternate, spiraled, entire or with sparse teeth.
- Without stipules.
- Petiole swollen at base.
- Sharp teeth on sapling and sucker leaves.
- Small white flowers in large inflorescences.
- Fruit a drupe with tough rind and extremely hard-shelled seed.
Diagnosis: Trees, without stipules, leaves alternate, simple, entire or with sparse sharp teeth (especially on sucker leaves), petiole short and swollen at base, drupes with one extremely hard-shelled seed.
|Bignoniaceae||(Amphitecna): margin always entire.
|Fagaceae||: with stipules, stellate hairs.
|Proteaceae||(Panaopsis): midvein sunken above, some leaves appearing opposite, bunched at twig tips.
|Sapotaceae||: white latex, margin always entire.
Diversity: Total: 1 genus, 6 species. Trees: 1 genus, 6 species.