Rudbeckia subtomentosa

     Sweet Black-Eyed Susan

Asteraceae

  Fruit Type:  Achene

  Fruiting Period:  Oct

  Flowering Period:  Aug - Sep

  Color:  Brown to black

  Size:  0.5 x 3 mm

  Shape:  Angular and cylindrical with truncated end

  Surface Features:  Longitudinal ribs

  Scarification:  Not required

  Stratification:  30 days

  Cotyledons:  Oval with truncated base, entire margins

  Leaf arrangement:  Basal

  Leaves:  Petioles, serrated margins, no hairs, pointed tip