Book  (1928)  Page(s) 63.  
 
Check List of Japanese Peonies
Yamato-Sangai (Crown-on-Crown). (Origin unknown.) Pink.

Book  (1928)  Page(s) 57.  
 
Check List of Japanese Peonies
Crown on Crown (Yamato-Sangai). (Origin unknown.) Pink.

Website/Catalog  (1898)  Page(s) 12.  Includes photo(s).
 
Paeonia Officinalis (Herbaceous Peonies)
A rich Japanese flower, perennial, flowering in middle of summer.
3. Yamatosangai. Pink petals forming three layers in different shades.

Website/Catalog  (1896)  Page(s) 13.  
 
Pæonia Officinalis.
Herbaceous Peony.
This is a most attractive object during early summer. The immense flowers of gorgeous colors last better than the tree peony.
Deep Crimson.
Yamato Sangai, Japanese Pride...

Website/Catalog  (1896)  Page(s) 10.  
 
Pæonia Officinalis.
Herbaceous Peony.
Deep Crimson.
Yamato Sangai, Japanese Pride...