Book  (Jan 2000)  Page(s) 228.  
 
Hatsu Garashu. See 'Hatsugarashu'.
Hatsugarashu Tree Peony. ex Japan pre-1929... red

Article (magazine)  (Jan 1955)  Page(s) 20.  
 
In crimson to maroon, (Class V) , 'Koi-kagura,' 'Kasane-jishi.' and 'Konron-koku,' 'Hatsu-garashu,' 'Sumi-noichi,' and 'Kokko'.

Article (magazine)  (Jan 1955)  Page(s) 57.  
 
Alphabetical Check List of Tree Peony Names In  Public Collections And/or Available in Nurseries 1954-1955
Japanese, Yellow with reddish tones, 'Hatsu-garashu' (First Crow of the Year) (Jap. bef. 1929), [Gardens] Whitnal Park Botanical Gardens, University of Washington Arboretum, Scott Foundation, [Nurseries] William Gratwick

Website/Catalog  (1941)  Page(s) [3].  
 
Tree Peonies
Ubatama (Brilliant Black KIng). Very large; double; incurved satiny carmine petals shaded black. Distinct color among Tree Peonies. Outstanding...$20 00