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Photographer: from USDA Plants website
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Family Brassicaceae
Raphanus raphanistrum L.
jointed charlock, white charlock, wild radish
Raphanus: from the Greek raphanos for "quick-appearing" because of the rapid germination of the seeds
raphanistrum: Latin from Greek rhaphanis for "radish"
Hazardous 
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| Status: | Introduced - naturalized |
| Plant: | annual, 12"-24" tall forb, coarse; a stout taproot |
| Flower: | yellow to white, 4-parted; inflorescence a cluster (raceme) of stalked flowers; blooms June-Aug. |
| Fruit: | cylindrical pod ribbed and dented between the seeds when dry |
| Leaf: | lower leaves oblong, pinnately-divided with the largest segment at the end; upper leaves small |
| Habitat: | disturbed areas |
| (Glossary) |
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