A Grammatical Dictionary of Botanical Latin

Acronus,-i (s.m.II), abl. sg. acrono “(perhaps from Gk. akron, the highest point), Necker’s term for an ovary without a basal disk” (Jackson); see disc;

- Vegetabilium fructificationis partes, sequentes sunt 1. Bractea. 2. Perigynanda. 3.Spatha. 4. Amentum. 5. Spadix. 6. Gluma. 7. Colesula. 8. Calyptra. 9. Tubus & ungues perigynandae. 10. Limbus. 11. Nectarium. 12. Stamina. 13. Pistillum. 14. Germen. 15. Stylus. 16. Stigma, 17. Discus. 18.Acronus. 19. Legumen 20. [etc.] (Necker) the parts of the vegetabile fructifications are the following: 1. Bracts. 2. Perigynanda. [the Composite involucre or corolla]. 3. Spathe. 4. Ament. 5. Spadix. 6. Glume. 7. Colesule. 8. Calyptra. 9. Tube and claw of the Perigynanda [involucre]. 10. Limb. 11. Nectarium 12. Stamens. 13. Pistil. 14. Ovary 15. Style. 16. Stigma. 17. Disc. 18. Acronus. 19. Legume. 20. [etc.].

- [Clethra] stamina, 10, acrono insidentia (Necker), stamens 10, seated on the acronus.

- [Blaeria] stamina, 4, acrono inserta (Necker), stamens 4, inserted on the acronus.

- [CATÎZOPHYTUM] plantae i. e. stamina numerosa ferentes, quae acrono (non disco) insident (Necker), planta, that is, bearing numerous stamens, which sit on acronus, not the disc.