ClipArt ETC
"Seguiera floribunda. 1. a flower; 2. a perpendicular section of an ovary; 3. samaras." -Lindley, 1853

Pokeweed

"Seguiera floribunda. 1. a flower; 2. a perpendicular section of an ovary; 3. samaras." -Lindley, 1853

The fruit of the Tree-of-Heaven, Ailanthus (Keeler, 1915).

Tree of Heaven Seed

The fruit of the Tree-of-Heaven, Ailanthus (Keeler, 1915).