Acamptopappus's a genus of flowering plants in the family Asteraceae. There're two species, both native to the deserts in southwestern North America. The name's derived from a- (not), campto- (bent), and pappus (down). Acamptopappus species are used as food plants by the larvae of some Lepidoptera species including Coleophora acamtopappi which feeds on A. sphaerocephalus.… (More on Goldenhead)