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Photographer: Paul E. Berry
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Family Asclepiadaceae
Asclepias tuberosa L. subsp. interior Woodson
butterfly milkweed, butterfly-weed, orange milkweed
Asclepias: named for the Greek god of healing Asklepios
tuberosa: Latin tuberous, alluding to the fact that the rhizomes of some species have tubers
Hazardous 
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| Status: | Native |
| Plant: | weakly-erect perennial, 1'-3' tall forb; juice not milky; stems coarsely hairy, single or with many upper branches |
| Flower: | orange to yellow, 5-parted, 3/8"-2/3" tall;  inflorescence usually several, erect umbels; blooms July-Sept. |
| Fruit: | pods with many seeds on silky hairs |
| Leaf: | many, alternate (opposite on the branches), linear to lance-like, usually widest below the middle, tapering gradually to the tip |
| Habitat: | full sun; dry to moderate moisture; inland sands, prairies, woods; in sandy, loamy soil |
| (Glossary) |
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