Website/Catalog  (1938)  Page(s) [12].  
 
Japanese Peonies
This type is characterized by five or more cup-shaped, rounded guard petals, surrounding a large center of staminodes or petaloids.
Gertrude—An excellent variety. Very soft carmine-pink flowers. A heavy comb of clear yellow staminodes; incurved. Late....$1.75 Each

Magazine  (15 Jun 1895)  Page(s) 668.  
 
Messrs. Barr & Son's Paeonies.
Single Flowered Sorts.
Others which well deserve honourable mention, but upon the merits of which space forbids us to descant, are Duchess of Portland, soft pink, frilled white; Gertrude, brilliant rose pink, of exceptionally fine form; Beauty, bright rose, shading to pink; Rosy Dawn, large snow-white flowers, tinged blush upon first opening; and Kaiser, brilliant rose.