Missouri Weed Seeds - Page 40

Rhamnaceae (Buckthorn family)

Broadleaf plant family

The buckthorn family has three genera found in the state; Rhamnus spp. or buckthorn is the more common with three species.

Buckthorn, Carolina Buckthorn, Carolina
Rhamnus caroliniana

Buckthorn, lance-leaved Buckthorn, lance-leaved
Rhamnus lanceolata

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