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'Pink Semi' rose Description
'Pink Semi' rose photo
Photo courtesy of CybeRose
Synonyms:
HMF Ratings:
1 favorite vote.  
ARS:
Light pink Species.
Registration name: Pink Semi
Exhibition name: Pink Semi
Origin:
Bred by Niels Ebbesen Hansen (United States, before 1940).
Class:
Species / Wild.  
Bloom:
Pink.  Single (4-8 petals) bloom form.  Once-blooming spring or summer.  
Growing:
USDA zone 2b through 8b.  Very hardy.  
Breeder's notes:
A selection of the Rosa laxa Retz. which I brought from Semipalatinsk, west Siberia, in 1913.
Patents:
Patent status unknown (to HelpMeFind).
Ploidy:
Diploid
Notes:
Direct descendants of this plant have been growing at the former USDA High Plains Grasslands Research Station (now Cheyenne Botanic Gardens) since 1937. They are diploid, according to a root tip squash performed by David Zlesak on March 27, 2010.
 
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