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'Rosa chinensis var. spontanea T.T.Yu & T.C.Ku' rose Reviews & Comments
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I have both the "white" and "pink" form, and they are quite different. The white form is much more likely an hybrid involving Rosa gigantea, long pointed buds so different from the small conical buds of the pink form. This one is also bushier but still young, so I can't say much about its final height. The pink form is 7 years old now and 5 meters high up on an olive tree.
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Does anyone know anything in regard to this rose's hardiness? Being a native of China, I'm assuming it requires a warm zone. Just curious how it may do in my 7a (Mutabilis seems to do fine here)...
Thanks!
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I think you may have the height wrong. We have 3 forms of this rose, white and 2 different pink. The tallest being around 3.5 metres now the others are catching up. In china these are considered as old cultivated roses that have naturalized.
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#1 of 1 posted
21 APR 10 by
 Cass
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Thank you for such a gentle correction.
I too believe these are not true species, as three different ploidy levels have been counted: diploid, triploid and tetraploid.
Do you have any more information from China about the background of these roses?
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Initial post
28 MAR 09 by
Cass
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I studied this rose at the Quarry Hill Botanic Garden near Glen Ellen, California. In the form with reddish blooms, the petals do not open fully while the filaments and anthers are freshest. By the time the bloom is open, the filaments are already aged and shriveled-looking. The scent is strong Tea with distinct tutti-frutti undertones.
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Were there any obvious pollinators at work in these blooms Cass?
We don't have this rose in Australia and it's good to be able to read about its fragrance and to get to know more about the rose through your observations. Thank you.
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#2 of 2 posted
29 MAR 09 by
Cass
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Hi, Billy. There were only a few pollinators, and I saw none inside these closed blooms, which is why I mentioned that they are closed when the pollen is most viable. It is very early in the spring, but March is the normal bloom period for Rosa chinensis f. spontanea here. The only other roses in bloom are Rosa sericea and Rosa gigantea.
The cream Rosa chinensis f. spontanea opens the blooms normally.
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