Helianthus devernii
PlantsFamily: Asteraceae · Genus: Helianthus
Matt Berger https://www.inaturalist.org/people/sheriff_woody_pct · cc_by
About
Helianthus devernii is a North American species of flowering plant in the daisy family Asteraceae, known by the common name Red Rock sunflower. The perennial herbaceous plant is endemic to a portion of Nevada's Red Rock Canyon National Conservation Area measuring less than 1 acre (4,000 m2), where it grows in just two desert spring locations within the Mojave Desert.
Summary from Wikipedia
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Growing details and traits for Helianthus devernii in the Library.
No cultivars in the Library yet — the full profile above covers the species itself.