blackeyed Susan
Family
AsteraceaeScientific Name
Rudbeckia hirtaGrowth Habit
upright and nonwoody
Thorns or Spines
not present
Approximate Flower Diameter
Varies:
nickle,
quarter,
half dollar,
larger
Dominant Flower Color
Varies:
yellow,
orange
Flower Symmetry
radial symmetery
Leaf Hairs
no hairs
Leaf Shape
oval
Leaf Arrangement
Varies:
alternate,
whorled
Leaf Margin
serrated
Leaf Stalk
shorter than leaf
Stem Hairs
no hairs
Stem Cross Section
round or oval
Milky Sap
not present
Root Structure
Varies:
fibrous,
taproot
Life Cycle
perennial
Ochrea
not present
Plant Type
Herb