| Synonyms: | |
| Common names: | Annatto (English) Arnotto (English) |
| Description: | Small tree, to 5 m. Leaves alternate, ovate; base cordate; apex acuminate. Inflorescence a terminal panicle. Sepals 5. Petals 5, pink. Fruit a spiny ovoid capsule. |
| Notes: | |
| Derivation of specific name: | orellana: pre-Linnaean name |
| Flowering time: | |
| Worldwide distribution: | Native to tropical America. Elsewhere mostly as an ornamental tree and rarely naturalised. |
| Growth form(s): | Tree, shrub over 2 m. |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Literature: |
Biegel, H.M. (1977). Check-list of ornamental plants used in Rhodesian parks and gardens. Rhodesia Agricultural Journal. Research Report No. 3. Page 29. Ntore, S. & al. (2024). Checklist of the vascular plants of Burundi Page 76. Parker, T. (2023). Common Trees of Mozambique The Tree Press, Austin, Texas, USA Pages 98 - 99. (Includes a picture). Wild, H. (1960). Bixaceae Flora Zambesiaca 1(1) Page 261. |