Cup plant fruits are flat achenes with two small wings. Photo by Lukas Hummel.

 
 
  Part of: Ende LM, Hummel L, Lauerer M (2024) Dispersal and persistence of cup plant seeds (Silphium perfoliatum): do they contribute to potential invasiveness? Plant Ecology and Evolution 157(1): 75-87. https://doi.org/10.5091/plecevo.104640