Booklet  (1938)  Page(s) 106.  
 
Single Peonies (albiflora)
Departing Sun (Wilkus)* 8.5 (37)
Very large, bright aster purple, midseason. Carpels hairy, with dark red tips; disk conspicuous, red. Plant large, spreading; flowers held high above the foliage. A Japanese Departing Sun is also described.

Book  (1928)  Page(s) 64.  
 
Check List of Single Peonies
Departing Sun. (Wilkus.) Red. Also see list of Japanese varieties.

Website/Catalog  (1927)  Page(s) 30.  
 
Single Peonies: These are of the form of a wild single rose, having a single row of petals surrounding a tuft of golden stamens.
Departing Sun. Single red.  Large flowers on tall strong stems.  Each $2.00