Tuberous Comfrey (Symphytum tuberosum)

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scirpidiella Pińczów, Poland(Zone 6b) Feb 04, 2014

Tuberous Comfrey
Symphytum tuberosum

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Post #9762168
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narmaj Deventer, Netherlands(Zone 8a) Apr 26, 2014

I wonder if this is S tuberosum? It looks orange and has much longer lancet shaped leaves.
???

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Post #9822330
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scirpidiella Pińczów, Poland(Zone 6b) May 01, 2014

Hello,
Yes, I am sure that this is Symphytum tuberosum. I harvested some rhizomes in the highlands (in the lower part) of southern Poland and now I have this plant in my garden.
Only wither flowers are orange. S. tuberosum should to have narrow leaves. I doubt whether on the other images (not my) is this plant. Maybe this is other subspecies. In Poland grows such plant of S. tuberosum as on my photo.
Look at the picture of this plant from Atlas of Rothmaler (Rothmaler W. Exkursionsflora von Deutschland, t. 3. Gefäßpflanzen: Atlasband):
Best Regards
Scirpidiella

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Post #9827360
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scirpidiella Pińczów, Poland(Zone 6b) May 01, 2014

Hello again,
Very similar is also S. bulbosum, but it does not grow in Poland.
Best Regards
Scirpidiella

Post #9827365
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narmaj Deventer, Netherlands(Zone 8a) May 03, 2014

thank you for your information! Then I guess mine is not Tuberosum, but some other Symphytum. Do you have any ideas?
The leaves on mine are wider and rougher. They are very hairy and scratchy.

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Post #9828921
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scirpidiella Pińczów, Poland(Zone 6b) May 03, 2014

Sorry you but I do not know this species. It does not grow in Poland in wild state.

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