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Giant Butterbur is an introduced species but does grow in places along the Wye valley. It prefers wet and shady places. There is a patch of it growing close to Ninewells wood on the edge of a small stream which flows into Cleddon bog and thus to Cleddon Falls where it is known as Cleddon Shoots, and eventually into the river Wye.giant-butterbur3

I do not think it is a particularly attractive plant. It flowers before the leaves are produced and the flowers look something like a cross between a trifid and a cauliflower. They are white and bulky and look quite alien. In the next photo you can see the leaves just emerging. Later in the year they are quite large and swamp any smaller plants.giant-butterbur4

It has some other interesting names, one is Fuki bog rhubarb !!!! careful how you pronounce that one. The Fuki is because it originates from Japan, Its scientific name is Petasites japonicas. However it has now been introduced into many parts of the world, possibly because it looks weird but also because it is eaten, particularly in some Japanese cuisine. However it does contain various toxic alkaloids which can cause liver damage and also some are carcinogenic. So proper preparation in order to remove these toxins is essential. I think I will give it a miss.giant-butterbur5

This is why this plant should not be planted or allowed to proliferate, because later in the year it has huge leaves which prevent anything else from growing.

To check out other wildflowers found in the woods of the Wye valley and Ninewells wood click Woodland Wildflowers of the Wye valley and Monmouthshire.