Heliopsis

These pretty perennials are natives of North America. They are great plants for the herbaceous border and they provide beautiful flowers for cutting. The height of the varieties range from 3 to 5 feet. H. helianthoides variety scabra Sommersonne forms clumps of dark green, oval to lance-shaped, toothed leaves. In late summer, tons of large, single ...
Found on http://www.botany.com/heliopsis.html

heliopsis

[n] - any North American shrubby perennial herb of the genus Heliopsis having large yellow daisylike flowers
Found on http://www.webdictionary.co.uk/definition.php?query=heliopsis

Heliopsis

Heliopsis (s from Greek helios for `sun` and opsis for `appearance`) is a genus of herbaceous flowering plants in the daisy family Asteraceae, native to dry prairies in North and South America. The sunflower-like composite flowerheads are usually yellow, up to {convert|8|cm|0|abbr=on} in diameter, and are borne in summer. Species are commonly ...
Found on http://en.wikipedia.org/wiki/Heliopsis
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