The Elecampane (I. Helenium) is an imposing, robust-growing species, having large, broad leaves a foot or more in length.
"Scientific American Supplement, No. 433, April 19, 1884" by Various
Inula Helenium meinlen (Elecampane) .
"Handbook to the Severn Valley Railway Illustrative and Descriptive of Places along the Line from Worcester to Shrewsbury" by J. Randall
It may be driven away by smoke, especially by that from inula helenium, elecampane; and by that of cannabis, hemp.
"The Temple of Nature; or, the Origin of Society" by Erasmus Darwin
Ward's paste, consisting of black pepper and the powdered root of Helenium Enula.
"Zoonomia, Vol. II" by Erasmus Darwin
Of Sneezeweed (Helenium), with its pappus of five scales.
"The Elements of Botany" by Asa Gray
The late blossomers, however, can be saved until early spring, like Asters, and Heleniums.
"Garden Ornaments" by Mary H. Northend