Helianthus tuberosus L.
Family: Asteraceae
Jerusalem-artichoke,  more...
[Helianthus subcanescens (A.Gray) E.Watson,  more]
Helianthus tuberosus image
Robert Bierman  
Etymology: 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
Plants: erect, perennial, 4'-10' tall forb; stems stout, roughly hairy; from rhizomes with edible tubers
Leaves: 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
Flowers: 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.
Habitat: moist; disturbed sites
Conservation Status: Native
Helianthus tuberosus image
Robert Bierman  
Helianthus tuberosus image
Robert W. Freckmann  
Helianthus tuberosus image
Robert W. Freckmann  
Helianthus tuberosus image
Botanical Illustration  
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
Helianthus tuberosus image
   View Genus       View Specimen Records