COMMON BURDOCK
(Arctium minus (Hill) Bernh.)
GROWTH HABIT: Biennial, reproducing by seed only. Rosette formed 1st year, flowering stalk elongates 2nd year.

LEAVES:
hairy, alternate; BASAL - large, heart-shaped, rhubarb like; UPPER - more oval shaped. Dull green above, greyish underneath.

STEMS:
Rough, hairy, somewhat grooved, often grows over 5 ft. Tall.

FLOWERS: Numerous, to 1" broad, clustered, purple, seedheads covered with hooked spines, forming a bur a maturity.

ROOTS: Large fleshy taproot.

SEEDS:
Rough, mottled brown, somewhat flattened, slightly ridged.

OTHER:
Common burdock thrives in shade and most fertile soils.

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