TYPE: Learn More about Type

Specify weed type.

    Grasses and Grasslike Weeds
    Broadleafs
    Both Grasses and BroadLeafs
LEAF: Width Learn More about Leaf Width

Use measurements of two leaves to specify leaf width.

    Measurment (inches) Leaf #1 Leaf #2
    Less than 0.5
    0.5 - 1.0
    1.1 - 1.5
    1.6 - 2.0
    2.0 - 2.5
    2.6 - 3.0
    Over 3.0 inches
    Unknown
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LEAF: Arrangement Learn More about Leaf Arrangement

Describe Leaf Arrangement.
(Number of stems per node)

    Alternately
    Basal
    Opposed
    Whorled or Ranked
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LEAF: Leaflets Learn More about Leaflets

Describe appearance of leaflets.

    Number of Leaflets Leaflet Arrangement
    Three Pinnate
    Five Palmate
    More Than Five Compound Pinnate
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LEAF: Seed Leaf Learn More about Seed Leaf

Describe Seed Leaf shape.

    Circular
    Kidney
    Lance
    Linear
    Oval
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LEAF: Shape Learn More about Leaf Shape

Describe Leaf Shape.

    Arrowhead Circular
    Elliptic Heart
    Lanceolate Linear
    Oblong Oval
    Ovate Pentagon
    Spade Spoon
    Star Trifolate
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Note: Leaf shape applies to the outline of a leaf or compound leaf, and not to individual leaflets in a compound leaf.

LEAF: Edge Learn More about Leaf Edge

Describe Mature Leaf Edge.

    Coarsely Serrated Crinkled
    Serrated Curled
    Finely Serrated Divided
    Very Finely Serrated Irregular
    Smooth Finely Irregular
    Lobed
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LEAF: Hair Learn More about Leaf Hair

Describe leaf hair.

    Hair Leaf Surface Leaf Underside
    Very Dense
    Dense
    Moderate
    Some
    Few
    None
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FLOWER: Color Learn More about Flower Color

Describe Flower Color.

    Blue Green
    Pink Purple
    Red White
    Yellow
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FLOWER: Petals Learn More about Petals

Describe appearance of the Flower Petals.

    Petal Configuration Number of Petals
    Fused Two
    Separate Three
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    Five
    Six
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FLOWER: Petiole Learn More about Flower Petiole

Describe Petiole Length.

    Long
    Moderate
    Short
    Very Short
    None
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FLOWER: Type Learn More about Leaflets

Choose flower type.

    Cluster Spike
    Dense Panicle Small
    Panicle Very Small
    Segmented Umbel
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GROWTH: Learn More about Weed Growth

Describe growth habits.

    Bush
    Erect
    Rosette
    Spreadingt
    Tree
    Vine
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LIGULE: Learn More about Ligule

Describe ligules.

    Long Membrane
    Membrane
    None
    Short Hairy
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LIFE CYCLE: Learn More about Ligule

Describe Life Cycle.

    Annual
    Biennial
    Perennial
    Winter Annual
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