What is "stilpnopappus"

Stilpnopappus is a genus of Brazilian plants in the Vernonieae within the daisy family.

see Caatinganthus Xiphochaeta

• Stilpnopappus aquaticus - Xiphochaeta aquatica
• Stilpnopappus aquaticus - Xiphochaeta aquatica
• Stilpnopappus rubropappus - Caatinganthus rubropappus
• Stilpnopappus viridis - Xiphochaeta aquatica