[Sunflowers: The Genus Helianthus West of the Cascade Mountains of Oregon and Washington]

Jerusalem Artichoke

Helianthus tuberosus

Flower head of Jerusalem Artichoke: Helianthus tuberosus - Stem leaf of Jerusalem Artichoke: Helianthus tuberosus - Involucral bracts of Jerusalem Artichoke: Helianthus tuberosus

Jerusalem Artichoke: Helianthus tuberosus - Jerusalem Artichoke: Helianthus tuberosus - Jerusalem Artichoke: Helianthus tuberosus

Jerusalem artichokes observed in the webmaster's garden in Gresham, OR......October 18, 2019.
Paul Slichter