Helianthus tuberosus L.

PLANTS OF ILLINOIS, USA
Helianthus tuberosus L.
Asteraceae
Det.: S. R. Hill, (ILLS) 2001
FAYETTE COUNTY 38° 55’ 50.7” N. Lat. 88° 54’
12.2” W. Long. T. 6N, R. 3E, NW1/4 NE1/4 SE1/4
Sect. 30 Illinois Route 185 (FAP 777), east side, 0.2
mile south of German Reformed Cemetery, 0.5 mile
northwest of Little Hickory Creek bridge; about 10
miles due east-southeast of Vandalia. Brownstown 7.5
minute U.S.G.S. quadrangle. Elevation 560-580 feet.
Disturbed sandy clay-loam.
Dry-mesic upland forest, open roadside bank
dominated by Juníperas virginiana, Prunus serótina,
Quercus imbricaría, Eupatorium spp. Rays yellow,
disc golden-orange; locally common rhizomatous
colonial perennial herb 2 meters tall; southwest facing
roadbank slope in full sun.
Steven R. Hill 34358
18 September 2001
02893598