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Photographer: Mark Renz
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| Status: | Introduced - adventive; potentially invasive |
| Plant: | erect, biennial/perennial forb, coarse, branching near the top; stems covered with warty bumps and somewhat hairy; taprooted |
| Flower: | yellow, 4-parted, 1/3"-1/2" wide; inflorescence several, loose clusters (racemes) of stalked, fragrant flowers |
| Fruit: | round, somewhat hairy pod with warty bumps |
| Leaf: | lower leaves with sharply-pointed lobes, up to 12' long, and not clasping; upper leaves smaller; all somewhat hairy |
| Habitat: | disturbed areas |
| Notes: | similar to yellow rocket - Barbarea vulgaris but is much taller, warty, and leaves with sharply pointed lobes |
| (Glossary) |
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