σκόλυμος
From LSJ
ὁ μὴ δαρεὶς ἄνθρωπος οὐ παιδεύεται → spare the rod and spoil the child | οne who hasn't been flayed is not being taught | if the man was not beaten, he is not educated | the man, who was not paddled, is not educated
English (LSJ)
ὁ (ἡ Numen. ap. Ath.9.371c; σκόλυμον, τό, Zonar.),
A golden thistle, Scolymus hispanicus, Hes.Op.582, Alc.39, Com.Adesp. in PTeb.693.21, Thphr.HP6.4.3, Arist.Pr.879a28. 2 = κυνόγλωσσον, Ps.-Dsc.4.127.