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Photographer: Robert Bierman
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Family Asteraceae
Helianthus tuberosus L.
Jerusalem-artichoke, woodland sunflower
Helianthus: derived from two Greek words helios, "sun," and anthos, "flower," in reference to the sunflower's supposed tendency to always turn toward the sun
tuberosus: from Latin meaning "tuberous," referring to thickened roots
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| Status: | Native |
| Plant: | erect, perennial, 4'-10' tall forb; stems stout, roughly hairy; from rhizomes with edible tubers |
| Flower: | head 2" -4" wide, 10-20 yellow rays, disks yellow, bracts (phyllaries) often dark-green to blackish; inflorescence of many heads in large, branched clusters; blooms Aug.-Oct. |
| Leaf: | lower opposite, upper 2/3 alternate, usually 1 1/2" to 4" wide, rough on top and hairy below, toothed, tapering to a long, winged stalk |
| Habitat: | moist; disturbed sites |
| (Glossary) |
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