Flower Color

• White

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

• Terminal raceme

Number of Petals

• 5 petals

Petal Separation

• Completely free to base
• United at base only (<25% length)

Petal Tip

• Rounded

Flower Symmetry

• Flowers regular

Flower Length (Head length in the Asteraceae)

• 3 mm (.12 inch)
• 4 mm (.16 inch)
• 5 mm (.20 inch)
• 6 mm (.24 inch)

Flower Width (Head width in the Asteraceae)

• 4 mm (.16 inch)
• 5 mm (.20 inch)
• 6 mm (.24 inch)
• 7 mm (.28 inch)
• 8 mm (.32 inch)

Number of Sepals

• 2 sepals

Sepal Separation

• Completely free to base

Sepal Tip

• Pointed

Flower Sex

• Bisexual (perfect)

Number of Styles

• 2 styles
• 3 styles

Number of Stamens

• 3 stamens
• 4 stamens
• 5 stamens

Stamens Attached to the Petals

• Stamens attached to the petals

Stamens Connate (united)

• Filaments or anthers NOT united

Carpel Separation

• Carpels united (or one)

Number of Carpels

• 2 carpels
• 3 carpels

Ovary Position

• Superior (hypogynous)

Fruit Type

• Capsule, 1-celled
• Capsule, 2-celled
• Capsule, 3-celled

Fruit Length at Maturity

• 2 mm (.08 inch)
• 3 mm (.12 inch)
• 4 mm (.16 inch)
• 5 mm (.20 inch)
• 6 mm (.24 inch)

Fruit Width at Maturity

• 2 mm (.08 inch)
• 3 mm (.12 inch)
• 4 mm (.16 inch)
• 5 mm (.20 inch)
• 6 mm (.24 inch)

Burs

• Fruit or seed NOT bur-like

Leaf Arrangement

• All basal
• Opposite

Leaf Type

• Simple (including lobed leaves)

Stipules

• Lacking

Tendrils

• Tendrils absent

Venation

• Palmate

Petiole (leaf stem) Blade Ratio

• Petiole absent (leaf sessile)
• Petiole > 75% total length

Leaf Length (blade PLUS petiole)

• 1 - 2 cm (.40 - .80 inch)
• 2 - 4 cm (.80 - 1.60 inches)
• 4 - 10 cm (1.60 - 4.0 inches)
• 1 - 2 dm (4.0 - 8.0 inches)

Leaf Width

• 1 - 5 mm (.04 - .20 inch)
• 5 - 10 mm (.20 - .40 inch)
• 1 - 2 cm (.40 - .80 inch)
• 2 - 4 cm (.80 - 1.6 inches)

Leaf Shape (simple leaves only)

• Deltoid (triangular)
• Elliptic
• Oblong
• Obovate
• Orbicular (round)
• Oval
• Ovate

Succulence

• Succulent
• Not succulent

Leaf or Leaflet Margin

• Entire

Leaf or Leaflet Blade Base

• Acute (cuneate)
• Perfoliate
• Rounded

Leaf or Leaflet Tip

• Acute
• Rounded (obtuse)

Leaf or Leaflet Blade Surface

• Glabrous (NO hairs)

Milky Juice

• Juice NOT milky (watery)

Woodiness

• Herbaceous

Spines or Thorns

• Spines or Thorns ABSENT

Aromatic (vegetative structures)

• Not aromatic

Life Cycle

• Annual

Growth Habit (while flowering)

• Spreading ascending
• Erect, columnar (narrow)
• Erect, spherical (bushy)

Plant Height at Maturity

• 5 - 10 cm (2.0 - 4.0 inches)
• 1 - 2 dm (4.0 - 8.0 inches)
• 2 - 4 dm (8.0 - 16.0 inches)

Wind Dissemination

• Not wind disseminated

Moisture Regime

• Seasonally saturated
• Mesic

Chlorophyll

• Present

Stem Cross Section

• Round

Flowering Stem Leaves

• Stem uniformly leafy

Main Stem Branches

• Main stem unbranched
• Main stem branched

Root or Vegetative Propagule

• Fibrous
• Tap Root

US State

• Georgia
• New Hampshire
• Alaska
• Arizona
• California
• Colorado
• Idaho
• Montana
• Nevada
• Oregon
• South Dakota
• Utah
• Washington
• Wyoming

Canadian Province or Territory

• British Columbia

• California Growers Weed Identification Handbook, 1968 - 1998 University of California Publication # 4030-1, See page: 54
• Garden Weeds of Southern California, 1981, See page: 40
• Gilkey`s Weeds of the Pacific Northwest, 1980 (ISBN 0-88246-039-0) See page: 91
• Weeds of California, 1970, State of California Publications and Documents. See page: 172
• Weeds of California and other Western States, 2007 (ISBN 13: 978-1-879906-69-3) See Page: 1366
• Weeds of Eastern Washington and Adjacent Areas, 1972 (LOC 72-83635) See page: 102
• Weeds of the West, 1992 (ISBN 0941570-13-4) See page: 520
• Weeds of the West, 2000 (ISBN 0941570-13-4) See page: 514
• Listed as a `Weed` by the Biota of North America Program, 2008 X