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'Rosa sayi Rehd.' rose References
Article (website)  (1998)  
 
Taxon: Rosa acicularis Lindl. subsp. sayi (Schwein.) W.H. Lewis
Distributional range: Northern America
References: Lewis, W. H. 1959. A Monograph of the genus Rosa in North America. R. acicularis Brittonia 11:1-24
Synonyms:
Rosa acicularis var. bourgeauiana Crép.
Rosa acicularis var. engelmannii (S. Watson) Crép. ex Rehder
Rosa acicularis var. sayiana Erlanson
Book  (1988)  Page(s) 133.  
 
location Alpinum, 147/1, 150/1; R. acicularis Lindl. (R. carelica Fries), ARCTIC ROSE, NEEDLE ROSE, CINNAMOMEAE, northern Europe, northeast Asia, North America, Canada, 1805, deep pink, single, fragrant, medium size, solitary or cluster-flowered, early-blooming, floriferous, vigorous, upright-arching, broad, 1.2 m, many bristles + prickles, light green medium size matte leathery foliage, 5-7 leaflets, orange-red medium size matte-glossy pear-shaped to oval fruit, upright sepals, ripe very early, fall off complete

location 146/16, R. acicularis Lindl. var. Bourgeauiana Crép. (R. bourgeauiana Crép.), CINNAMOMEAE, North America (Ontario-Colorado), 1875, deep pink to light lavender, single, fragrant, large, cluster-flowered, early blooming, floriferous, upright, broad, 1.2 m, many bristles + prickles, light green medium size matte leathery foliage, 5-7 leaflets, orange-red medium size oval fruit, upright sepals, ripe early, fall off complete
Book  (1981)  Page(s) 271-272.  Includes photo(s).
 
R. acicularis Lindl. var. bourgeauiana Crépin
Flowers larger, to 2 inches across, fruit more globose. North America. 2n=42, 56
Book  (1937)  Page(s) 78.  
 
Sayi Rehd. (synonym of acicularis var. Bourgeauiana Crép.)
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