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Plant Form: Perennial herb.
Size: Up to 90 cm tall.
Stem: Upright, covered in fine hairs, ribbed, branching near top.
Leaves: Greyish or bluish-green with variable shape, alternate along stem. Lower leaves with toothed edges.
Flowers: White with 4 small petals up to 4 mm long. In dense, flat-topped clusters at the end of branches.
Fruit and Seeds: Heart-shaped capsule 3-5 mm diameter, with 2 chambers containing 1-2 reddish-brown seeds each.
Habitat: Cropping areas, roadsides, waste areas.
Distinguishing Features: Other Pepperweeds (Lepidium species) have flattened rather than rounded seed capsules.