I see this plant often on the scree slopes in Canterbury but are having trouble confirming its identity in my books - any help would be greatly appreciated.
This looks like Epilobium pycnostachyum.
John is correct - Epilobium pycnostachyum
(JPG format, max 500kB)
I see this plant often on the scree slopes in Canterbury but are having trouble confirming its identity in my books - any help would be greatly appreciated.