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Rose Propagation & Exchange

How does a Tea rose bloom on a Bourbon rosebush?

9 years ago

Could this have been caused only by having a Tea parent?
or is it possible that several rose ancestors caused it?
I was walking in my garden last week when I noticed a couple of white rosebuds on a 'Gloire des Rosomanes' . which is a red rose, and I thought "That's odd, I should keep an eye on that". A few days ago a bud opened up and it was a beautiful Tea rose shape and color, with several rows of petals, that were a delicate flesh-white with shadings of pale blush pink. I've seen c. 200 Tea rose cultivars when I volunteered at vintage gardens, and Tea is my favorite class of rose, and I collect them, but I've never seen a flesh-white/blush Tea. It hasn't opened fully up, the inner petals are still arranged in a cone shape, and those petals have a lovely satiny shimmer.
Vibert introduced 'Gloire des Rosomanes' in 1825 and I thought of which Tea roses might have been being grown in France before then, because I thought G. des R. must have had a Tea rose ancestor for it to sport a bloom with typical Tea characteristics; the sport roses'
- petals have a very light substance.
-subtle coloring, i find that delicate flesh-white hue to be very alluring. The pale blush pink blends in with the flesh-white on the top most 3rd part of the petals.
-double form with inner petals arranged in a cone shape.
-Tea rose fragrance. It isn't only of tea, but includes an unmistakable scent note I've never smelled in any other rose of another rose class.
The only description that I could find of a Tea rose that had flesh-white/blush coloring is 'Humes Blush' , which is described as having prickles on the petiole. I looked for those and the petiole does have little prickles on the underneath side.

I don't understand the genetics of rose sporting, is it at all possible that the flesh-white/blush pink rose sport could be 'Humes Blush"

Thanks in advance,
Lux.

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Comments (2)

roseseek
9 years ago
Hi Lux, for whatever reason, most organisms can mutate, sport, to reshuffled expressions of the genes they already contain. Since the background of Gloire des Rosomanes is unknown, it would be impossible to say whether Hume's Blush figures in its make up without DNA testing. IF it does, then your sport could be something similar to Hume's Blush, but not exactly the same as Hume's Blush. If you go to the first generation list of Gloire des Rosomanes' offspring on HMF, you might find record of some lighter colored, Tea-like mutation. Congratulations! Kim
comtessedelacouche (10b S.Australia: hotdryMedclimate)
9 years ago
Still wandering around checking out the new environment...

Your new/old/whatever it is rose sounds beautiful, Lux, and the scent sounds interesting. Would there be any chance of seeing a photo of it, either here or on the ARF?

Comtesse :¬)
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