Syntrichopappus is a genus of flowering plants in the family Asteraceae, found in the southwestern United States and northern Mexico, including Baja California. It is a member of the Heliantheae alliance of the Asteraceae family. There are two species. Common names include xerasid and Frémont's gold.

The name "Syntrichopappus" derives from a Greek name: "syn" = "joined together", "tricho" = "hair", of the "pappus", which means many bristles fused at the base (however some species have no pappus). The common name "xerasid" derives from Greek, meaning "son of dryness".

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