Website/Catalog  (1939)  Page(s) [1].  
 
Tree Peonies (Pæonia arborea)
Japanese Tree Peonies 
English translation in parentheses
26. Aboukin (Name of Old Palace). Large; semi-double; clear crimson-red without a blue or magenta shade. Outstanding color. Rare... $15.00

Website/Catalog  (1909)  Page(s) 11.  
 
Paeonia Moutan...
16. Abokin, very handsome double, scarlet, 12 inches.

Book  (1907)  Page(s) 50.  
 
The Moutan or Tree-Peony...Abokin. Bright scarlet.
 

Website/Catalog  (1907)  Page(s) 179.  
 
Japanese Tree Peonies.
1 Abokin. Bright scarlet.