What is "abrotonum"

Abrotonum ( Greek: Abrotonon, pronounced Avrotonon, is an ancient Greek name of Thracian origin, as well as the name of a plant.

• Abrotonon, 6th-century BC was a Thracian the mother of Themistocles. Aelian, Varia Historia xii. 43 κεφ XLIII: Τινές εξ ασήμων περιφανείς γεγόνασι (Some are becoming great even though they come from unknown parents):
  

«...Θεμιστοκλής δέ ο τούς βαρβάρους καταναυμαχήσας, και μόνος συνιείς τάς τών Θεών εν τοίς χρησμοίς φωνάς, Θράττης υιός ήν, καί εκαλείτο η μήτηρ αυτού Αβρότονον...» (Themistocles, who has fought in naval battles with the barbars, and only him has understood the Gods' voices from the oracles, was a son of a Thracian woman and his mother was called Avrotonon) There is an epigram preserved Book VII of Anthologia Palatina (Epitaphs):

• Abrotonon, the name of an hetaera. Plutarch refers to an Abrotonon from Thrace in his Erotikos ;. In the first dialogue of Dialogues of the Courtesans of Lucian the name of an hetaera named Abrotonon is also mentioned. Lucian, Dialogues of the Courtesans 1
  ,

ΓΛΥΚΕΡΑ: Τὸν στρατιώτην, Θαΐ, τὸν Ἀκαρνάνα, ὃς πάλαι μὲν Ἀβρότονον εἶχε, μετὰ ταῦτα δὲ ἠράσθη ἐμοῦ, τὸν εὐπάρυφον λέγω, τὸν ἐν τήι χλαμύδι, οἶσθα αὐτόν, ἥ ἐπιλέλησαι τὸν ἄνθρωπον;
Glykera to Thais: Thais, do you remember that soldier, the Acarnanian, who had in the past Avrotonon and after that he became my lover, the one who was dressing up, that one with the chlamys, or have you forgotten him?

• Abrotonum, a plant of this name is mentioned from Pliny the Elder in his work Natural History