linear, elliptic, lanceolate
May - October
0.4 - 1.2
The leaves of seedbox are alternate and lanceolate with long petioles (3-10 mm.). Its fruit are rounded, winged cubes with 4 persistent sepals that are 7-10 mm. long.
Swamps, wet soils, prairie, ravines, lakeshores, stream banks, roadside ditches, marshes, savannahs, low woods.