Giant Hogweed, river Brit, Dorset

Giant Hogweed - KJ (5'11") - for size

Umbels can reach 1m across

Newly opened secondary umbel

Outer flower with different sized petals

Giant Hogweed seeds

Large leaves (up to 1m across)

Red spotted stem

Hollow stem in winter (10cm across)

Opening flower bud - 15" across