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The rosehip is the fruit of the rose, right? Didn't know that word and had to look it up...https://en.wikipedia.org/wiki/Rose_hip

As far as I understand, it's all about the shape of the bush and its pedigree. The original wild rose is a rosehip, and its fruit, simply called the same thing, And all its shoots grow from underground.
But in a cultivated rose, the shoots should grow above ground level, which was achieved through selection of rose hips, as is the flower shape :)

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Ah right, I got it, thanks! Well, it looks like a rosehip then, but after all it isn't, because it definitely has shoots above ground level.

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Slightly off topic: What do these comments do :
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Are these tips of a sort? Can anyone use them ?