Book  (1907)  Page(s) 43.  
 
Louis Van Houtte. There are three bearing this name; one by Delache, 1854, even, bright, violaceous red; one by Parmentier, 1850, soft pink, deeper center. The one generally grown is probably from Calot, 1867. Rich color, glaring purplish pink. Very satisfactory.
 

Magazine  (1863)  Page(s) 293.  
 
Edulis ou albiflora....Louis Vanhoutte; fleur grande, rouge violacé vif.