Helianthus tuberosus L.

PLANTS OF ILLINOIS, USA [CULTIVATED]
Helianthus tuberosus L.
Asteraceae
Det.: S.R.Hill, (ILLS) 2010 Jerusalem artichoke.
CHAMPAIGN COUNTY 40.12935° N. Lat.
088.24831° W. Long. T. 19N, R. 8E, SE1/4 NE1/4
SE1/4SW1/4 Sect. 1 Champaign; 1411 Winding
Lane, private residence. Thomasboro 7.5' quadrangle.
Elevation 757 feet. Coordinate Datum:
WGS84/NAD83. (originally from IL, St. Clair Co.,
Stolle) Calcareous dark clay-loam.
Planted in front garden. Cultivated herb 2 meters tall,
rays were yellow, fallen; disc yellowish-golden; roots
forming edible tubers, (this is the wild form).
Steven R. Hill 38567
02479123