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Photographer: Merel R. Black
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| Status: | Introduced - escaped; ecologically invasive and nuisance weed |
| Plant: | arching, perennial, 5'-12' tall shrub forming dense clones, very prickly with curved thorns; stems bright green to reddish |
| Flower: | white, 5-parted, 1/2"-1 1/4" wide, sepals becoming deciduous; inflorescence of many stalked flowers in large, branched clusters (panicle |
| Fruit: | red, smooth, berry-like hips |
| Leaf: | pinnately-divided with 5-11 elliptical, toothed, leaflets to 1" long |
| Habitat: | sun to partial shade; pastures, woods |
| (Glossary) |
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