"The female of Hydrostachys verruculosa. 1. the calyx; 2. the same opened to show the ovary; 3. a seed; 4. a vertical section of it." -Lindley, 1853

Riverweed

"The female of Hydrostachys verruculosa. 1. the calyx; 2. the same opened to show the ovary; 3. a seed;…