Helianthus maximilianii


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Related to Helianthus maximilianii: Helianthus giganteus, Maximilian sunflower
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Noun1.Helianthus maximilianii - tall perennial of central United States to Canada having golden-yellow flowersHelianthus maximilianii - tall perennial of central United States to Canada having golden-yellow flowers
helianthus, sunflower - any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays
References in periodicals archive ?
The resistance genes of BR1 to BR4 were derived from wild perennial sunflowers Helianthus maximilianii Schrad.
In 1995, three additional novel plant species were used to represent increasing taxonomic difference from the normal host [ILLUSTRATION FOR FIGURE 1 OMITTED]: within the same genus as the normal host, Helianthus maximilianii Schrader (Maximilian's sunflower); within the same tribe (Heliantheae), Ambrosia artemisiifolia L.