Flower Color

• Green
• Purple
• White
• Multi-colored

Inflorescence Type (How the flowers are arranged on the plant)

• Axillary racemes
• Terminal raceme

Number of Petals

• 0 (no petals)
• 4 petals

Petal Separation

• Completely free to base

Petal Tip

• Rounded

Flower Symmetry

• Flowers regular

Flower Length (Head length in the Asteraceae)

• 1 mm (.04 inch)

Flower Width (Head width in the Asteraceae)

• 2 mm (.08 inch)

Number of Sepals

• 4 sepals

Sepal Separation

• Completely free to base

Sepal Tip

• Rounded

Flower Sex

• Bisexual (perfect)

Number of Styles

• 1 style

Number of Stamens

• 2 stamens

Stamens Attached to the Petals

• Stamens NOT attached to the petals

Stamens Connate (united)

• Filaments or anthers NOT united

Carpel Separation

• Carpels united (or one)

Number of Carpels

• 2 carpels

Ovary Position

• Superior (hypogynous)

Fruit Type

• Capsule, 2-celled

Fruit Length at Maturity

• 2 mm (.08 inch)
• 3 mm (.12 inch)
• 4 mm (.16 inch)

Fruit Width at Maturity

• 2 mm (.08 inch)
• 3 mm (.12 inch)

Burs

• Fruit or seed NOT bur-like

Leaf Arrangement

• Alternate

Leaf Type

• Pinnately dissected
• Simple (including lobed leaves)

Stipules

• Lacking

Tendrils

• Tendrils absent

Venation

• Pinnate

Petiole (leaf stem) Blade Ratio

• Petiole absent (leaf sessile)
• Petiole < 25% total length

Leaf Length (blade PLUS petiole)

• 1 - 2 cm (.40 - .80 inch)
• 2 - 4 cm (.80 - 1.60 inches)

Leaf Width

• 5 - 10 mm (.20 - .40 inch)
• 1 - 2 cm (.40 - .80 inch)
• 2 - 4 cm (.80 - 1.6 inches)

Leaf Shape (simple leaves only)

• Pinnately lobed

Leaf or Leaflet Margin

• Dentate
• Lobed
• Parted

Leaf or Leaflet Blade Base

• Acute (cuneate)
• Acuminate (attenuate)

Leaf or Leaflet Tip

• Acute
• Rounded (obtuse)

Leaf or Leaflet Blade Surface

• Glabrous (NO hairs)
• Sparsely hairy

Succulence

• Not succulent

Milky Juice

• Juice NOT milky (watery)

Woodiness

• Herbaceous

Spines or Thorns

• Spines or Thorns ABSENT

Aromatic (vegetative structures)

• Not aromatic

Life Cycle

• Annual
• Biennial

Growth Habit (while flowering)

• Erect, spherical (bushy)

Plant Height at Maturity

• 5 - 10 cm (2.0 - 4.0 inches)
• 1 - 2 dm (4.0 - 8.0 inches)

Wind Dissemination

• Not wind disseminated

Moisture Regime

• Mesic

Chlorophyll

• Present

Stem Cross Section

• Round

Flowering Stem Leaves

• Stem leaves greatly reduced

Main Stem Branches

• Main stem branched

Root or Vegetative Propagule

• Tap Root

US State

• Arkansas
• Kansas
• Louisiana
• Mississippi
• South Carolina
• Texas
• Hawaii
• Arizona
• California
• New Mexico
• Oklahoma
• Oregon
• Nebraska

• Weeds of California and other Western States, 2007 (ISBN 13: 978-1-879906-69-3) See Page: 492, 506-7