Commentary for Job 30:4

They pluck salt-wort on shrubs When they were in the deserts, they would pluck for themselves salt-wort [that grew] on the trees of the forests and eat. salt-wort Heb. מלוח. It is the name of an herb. In Aramaic (Pes. 114a), it is called קַקוּלִין and in the language of the Mishnah מַלוּחִים (malves in French), mallows, as we learned in (Kiddushin 66a): “They brought up mallows on golden tables.”

shrubs a tree, like (Gen. 21:15), “under one of the shrubs (השיחים).”