Alkanna tinctoria
From LSJ
ἀπορράπτειν τὸ Φιλίππου στόμα ὁλοσχοίνῳ ἀβρόχῳ → sew up Philip's mouth with an unsoaked rush, stop Philip's mouth with an unsoaked rush, shut one's mouth without any trouble
Latin > Greek
ἀρχέβιον, ἀρχιβδέλλιον, ἄγχουσα, ἔγχουσα, κάλυξ, κατάγχουσα, λακχά, ὀνοκλεία, ὀνόκλεια
Wikipedia EN
Alkanna tinctoria, the dyer's alkanet or simply alkanet, is a herbaceous flowering plant in the borage family Boraginaceae. Its roots are used to produce a red dye. The plant is also known as dyers' bugloss, orchanet, Spanish bugloss, or Languedoc bugloss. It is native to the Mediterranean region. A. tinctoria has 30 chromosomes and is regarded as a dysploid at the tetraploid level (4x + 2).