polemonia
From LSJ
Ubi idem et maximus et honestissimus amor est, aliquando praestat morte jungi, quam vita distrahi → Where indeed the greatest and most honourable love exists, it is much better to be joined by death, than separated by life.
Latin > English (Lewis & Short)
pŏlĕmōnĭa: ae, f., = πολεμώνιον,
I Greek valerian, otherwise called philaeteria, Plin. 25, 6, 28, § 64.