I am 'as sure as I can be' that this is Weld but what is going on at the top of the raceme and what has caused it?
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The plant is showing typical fasciation-abnormal growth phenomena, giving rise to flattened type stems, can be caused by fungi,viruses and mycoplasma, sometimes the exact cause of the abnormal growth is not known.
David J Trevan
Thanks for the help. Never seen it before. I assume this could occur in any plants but wonder whether it is more common in some than others.
Lat/Lng: 51.5931, -4.2896
OS grid ref: SS414907