Authors John Stolarczyk and Jules Janick present their assessment of Carrot History and Iconography in the scholarly journal Chronica Horticulturae© (volume 51 – Number 2; June 2011).
A great deal of further information can be found at John Stolarczyk’s World Carrot Museum which has a section devoted to Carrots Depicted in the Fine Arts.
More on carrot iconography here
Note: The illustration is ‘Combat de deux Raffinés’ (Fight of two debonaires) (at least one being a carrot) by Jean Ignace Isidore Gérard Grandville (1803-47)