Missouri Weed Seeds - Page 30

Martyniaceae (Unicorn-plant family)

Broadleaf plant family

Devil's-claw, also known as unicorn plant, is the only known species of this family to be present in Missouri.

Devil’s-claw Devil's-claw
Proboscidea louisianica

For an idea of relative seed size, each photo contains a millimeter ruler. The distance between increments is 1 mm.