viperina
From LSJ
τῶν δ᾽ ὀρθουμένων σῴζει τὰ πολλὰ σώμαθ᾽ ἡ πειθαρχία → But of those who make it through, following orders is what saves most of their lives (Sophocles, Antigone 675f.)
vīpĕrīna, æ, f. (viperinus), bistorte [plante] : Ps. Apul. Herb. 5.