ἐξακανθόομαι
From LSJ
ἐν τῷ τὴν μὲν ὡραίην οὐκ ὕει λόγου ἄξιον οὐδέν → in the fact that there is no rain to speak of at the usual season for rain
English (LSJ)
Pass., become prickly, prob. in Thphr. HP 6.4.2 (ἐξανθ- codd.).
Spanish (DGE)
bot. hacerse espinoso, cubrirse de espinas del tallo de una planta, Thphr.HP 6.4.2, cf. Basil.Ep.342.
German (Pape)
[Seite 865] dornig, stachlig werden, Theophr.