Arctium minus sens. lat.
Burweed, Louse-bur, Common Burdock, and Button-bur.
Asteraceae
July to October
It is found throughout the country.
See the BSBI distribution map for Lesser Burdock
It grows in woods, hedges, the edges of fields, rough
pasture,
sand dunes, shrub and waste ground, and by paths,
road and railways.
Lesser Burdock is a native, perennial, bushy, large leaved,
variable herb, growing up to 2m.
Flower-heads are up to 2.5cm across.
The florets are longer than the upper bracts (cf Greater
Burdock).
The white section of the florets is roughly the same
length as the lower dark section.
The bracts are green or purple.
Leaves are large and the stalk is less furrowed than in
Lesser Burdock is more common than Greater Burdock.
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Lesser Burdock, edge of field, Dorset
Flowerheads
Unopened (right), fully open (centre),
semi-open (left)
Side view of flowerhead, cotony bracts
Flowerhead from above
Burdock burr
Hooks on burr
Large leaves
Slightly furrowed leaf stalks
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