ὀνόπυξος
From LSJ
Ἡδύ γε σιωπᾶν ἢ λαλεῖν, ἃ μὴ πρέπει → Silentium anteferendum est turpiloquentiae → Schweig lieber, als zu sagen, was sich nicht gehört
English (LSJ)
ὁ, cotton-thistle, Onopordon illyricum, onopyxos, Thphr.HP6.4.3, Plin.HN21.94.
Wikipedia EN
Onopordum illyricum is a species of thistle known by the common name Illyrian thistle, or Illyrian cottonthistle. It is native to southwestern Europe, but has been introduced into Australia and California, where it has become a noxious weed.
Greek (Liddell-Scott)
ὀνόπυξος: ὁ, φυτόν τι ἀκανθῶδες, Θεοφρ. π. Φυτ. Ἱστ. 6. 4, 3.
Greek Monolingual
ὀνόπυξος, ὁ (Α)
το φυτό ονόπορδο.
[ΕΤΥΜΟΛ. < ὄνος + πύξος «είδος φυτού»].