| Character | A. es tacionalis | A. desertorum | A. simoniana |
|---|---|---|---|
| Petiole | 1.8–4.4 mm long | 2–5 mm long | 4–11 mm long |
| Leaf margin | Entire, rarely serrated (up to 6 teeth) | Serrated (up to 8 teeth) | Serrated (more than 9 teeth) |
| Inflorescence | Unisexual | Unisexual or bisexual | Bisexual |
| Anthophore | Present | Absent | Absent |
| Staminodes | 5 Glabrescent | 5 Pubescent | 4 Pubescent |
| Distribution | South of Bahia and Northeast of Minas Gerais | Northeast of Brazil and Northeast of Minas Gerais | Atlantic coast of Rio de Janeiro |