Article (magazine)  (2009)  Page(s) 30.  
 
R. primula Boul.   Source RJBM [Réal Jardin Botanico Madrid] Chromosome Number 14

Article (website)  (13 Aug 2007)  
 
R. ecae Ait. ssp. primula (Bouleng.) A.V. Roberts = R. primula Bouleng. = R. xanthina auct. non Lindl. = R. ecae Kanitz non Ait. = R. ecae Rehd. – Turkestan to northern China

Book  (2007)  Page(s) 127.  
 
Ian Spriggs. Wild Roses That I Grow.
Rosa primula is also a favourite. The long sprays of small yellow flowers are a joy.

Article (magazine)  (2007)  Page(s) 370, fig. 1.  
 
R. primula 2x

Book  (1 May 2003)  Page(s) 352.  
 
Rosa primula Boulenger. Shrubs erect, small, 1-2 m tall. ..prickles...paired below some leaves, frequently opposite elsewhere, straight, to 1.5cm, stout, flat, gradually tapering to a broad elliptic base, small prickles and bristles absent. Leaves including petiole 3-7 cm...glabrous....leaflets (7-)9-15..abaxially ...densely glandular...margin doubly obtusely serrate....Flowers solitary...2.5-4 cm in diam....Petals 5, yellowish or yellow-white...Hip red or black-brown, ovoid or subglobose, ca. 1 cm in diam., glabrous, with persistent, reflexed sepals...

Website/Catalog  (Aug 1998)  Page(s) 23.  
 
Rosa Primula Species. Turkestan 1910. Description... pretty little flowers of soft yellow... but the real novelty of this rose is the foliage which exudes a distinct smell of incense...

Book  (Feb 1993)  Page(s) 36, 37.  Includes photo(s).

Book  (Aug 1990)  Page(s) 43, 46.  Includes photo(s).
 
R. primula a graceful little plant with yellow flowers that resemble primroses. Discovered in eastern Russia in 1890, it is sometimes called the Incense Rose because its foliage, when crushed, smells like myrrh or Russian leather... In Great Britain, this shrub is so highly prized for its delicate appearance and remarkably fragrant foliage that it has received an award of merit.

Book  (1988)  Page(s) 27.  
 
('The Incense Rose') Fragrant foliage

Book  (1988)  Page(s) 167.  
 
location 46, 147/1, R. primula Bouleng., PIMPINELLIFOLIAE, Turkestan to northern China, 1910, light yellow, single, fragrant, small, solitary, early-blooming, floriferous, bushy, upright-arching, broad, to 2 m, many prickles, medium-dark green small glossy foliage, 9-11 leaflets, orange-red rounded medium size fruit