Helianthus paradoxus
PlantsFamily: Asteraceae · Genus: Helianthus

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About
Helianthus paradoxus, the paradox sunflower, puzzle sunflower or Pecos sunflower, is a threatened species of sunflower found only in west Texas, Utah, and New Mexico salt marshes by the edges of inland salt lakes and salt flats.
Summary from Wikipedia
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Growing details and traits for Helianthus paradoxus in the Library.
No cultivars in the Library yet — the full profile above covers the species itself.