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'R. maximowicziana' rose Reviews & Comments
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Initial post
11 DEC 21 by
Duchesse
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Diploid, per Zlesak 2009, Pollen diameter and guard cell length as predictors of ploidy in diverse rose cultivars, species, and breeding lines. Floriculture and Ornamental Biotechnology.
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Initial post
2 AUG 20 by
CybeRose
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According to Flora sylvatica Koreana, R. Maximowicziana is a synonym for R. granulosa Keller.
However, The Plant List has R. granulosa R. Keller as a synonym for both R. majalis Herrm. and R. acicularis Lindl. Neither of these is akin to R. Max.
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Reply
#1 of 1 posted
2 AUG 20 by
 jedmar
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Yes, and R. glandulosa Bellardi is a synonym of R. pendulina L. I think The Plant List better reflects the state of botanical research.
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Initial post
1 AUG 17 by
Michael Garhart
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Is it susceptible to RRD?
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Initial post
3 OCT 15 by
Jukka K
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My plant from Rosenposten is certainly not nearly thornless but very thorny. The thorns are small and quite soft and cover the branches like fur.
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#1 of 3 posted
3 OCT 15 by
Patricia Routley
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Photos show bristles and prickles. We've deleted Thornless.
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#2 of 3 posted
31 JUL 17 by
Jukka K
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Another piece of information: My plant (coming from the reputable RosenPosten nursery, Denmark) has been completely cane hardy in my garden in southern Finland. The winter 2014-15 that killed, for example, Polstjarnan to the ground did no damage to R. maximowichiana. So I think it should be listed as hardy to at least Z4b.
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#3 of 3 posted
31 JUL 17 by
Margit Schowalter
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Jukka
Yes, I agree. It survives in zone three, Alberta, Canada.
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