Irish wildflowers

Wood Burdock, Arctium nemorosum, Cnádán fáil
Photographs: County Waterford

Wood Burdock
Arctium nemorosum
Cnádán fáil
Family: Asteraceae

Previously known as Arctium minus ssp. nemorosum

Flowering July-September. Biennial. Native.

Similar to Lesser Burdock, A. minus but very variable. Looser spikes of short-stalked woolly flower-heads. Florets more/less equal sepal-like bracts, more open in fruit. Lower leaf stalks hollow, furrowed above. Stems sometimes reddish.

The commonest Burdock in some parts of Ireland.
Identification by Paul Green.


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