Newsletter  (Feb 2010)  Page(s) 39.  
 
Major Chemical Compounds (%) responsible for fragrance in Selected Cultivars....Rosa rugosa rubra Phenylethanol 53.9

Website/Catalog  (23 Oct 1998)  Page(s) 35.  Includes photo(s).
 
Blooms and hips

Book  (1997)  Page(s) 225.  
 
R. rugosa rubra (R. rugosa atropurpurea) Rugosa. Japan. Description and cultivation... flowers: large deep crimson-purple... foliage not unlike that of R. rugosa typica, though slightly more vigorous...

Book  (1996)  Page(s) 26.  Includes photo(s).
 
Rosa rugosa rubra ('Hedgehog Rose', 'Japanese Rose', 'Ramanas Rose') Wild shrub rose... The five-petalled reddish-pink flowers are large... followed by fine tomato-shaped hips... will naturalise... From Japan it was brought to Europe in 1796 and later; it is known there as 'Hama-nasu', of which the name 'Ramanas Rose' is no doubt a corruption.

Book  (Mar 1995)  Page(s) 151.  
 
R. rugosa rubra Ancient. Description... A variation of the species R. rugosa, this rose itself is variable, and you may notice subtle diffeences in plants procured from different nurseries... single, purplish red...

Book  (Feb 1995)  Page(s) 49.  Includes photo(s).
 
R. rugosa rubra Description... Deep mauve pink flowers...

Book  (11 Jun 1993)  Page(s) 4-5.  Includes photo(s).
 
Introduced to England, circa 1796. Description... the red-flowering for of R. rugosa... R. rugosa 'Rubra' that is available in nurseries [is] not the true species plant. (Also known as R. rugosa 'Atropurpurea'.)

Article (magazine)  (1988)  Page(s) 14.  
 
...R. rugosa rubra has a blue-tinged red, which derives from a characteristic colour component. which has also ....been found in old garden roses such as 'Königin von Dänemark' (Booth, 1816). It follows that the influence of Rugosa at the beginnings of Rose breeding has been larger than believed until now...

Article (magazine)  (1988)  Page(s) 74.  
 
Peonin is a relatively rare anthocyanine. It is seen as...the typical pigment of the east Asian R. rugosa rubra. Analyses have shown that there are usually significant amounts of cyanine intermixed.

Book  (1988)  Page(s) 170.  
 
location 203/1, 2+3a, R. rugosa 'Rubra' Rehd., CINNAMOMEAE, Siberia, carmine-purple, single, good fragrance, large, solitary or cluster-flowered, vigorous, bushy, upright, branched, 1.5-2 m, many prickles + bristles, medium-dark green large glossy leathery wrinkled foliage, 7 leaflets, bright orange-red medium-large matte-glossy flat-rounded fruit, upright-...persistent sepals, few hips