Flower Color

• Yellow-green
• Green

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

• Head
• Terminal spike

Number of Petals

• 0 (no petals)

Flower Symmetry

• Flowers regular

Flower Length (Head length in the Asteraceae)

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

Flower Width (Head width in the Asteraceae)

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

Number of Sepals

• 4 sepals

Sepal Separation

• Completely free to base
• United from 25% - 75% length

Sepal Tip

• Pointed

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

• 1 carpel

Ovary Position

• Halfway (perigynous)
• Inferior (epigynous)

Fruit Type

• Achene

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

Stipules

• Foliaceous 4-10 mm (.16 - .40 in) long

Tendrils

• Tendrils absent

Venation

• Pinnate

Petiole (leaf stem) Blade Ratio

• Petiole < 25% total length

Leaf Length (blade PLUS petiole)

• 2 - 4 cm (.80 - 1.60 inches)
• 4 - 10 cm (1.60 - 4.0 inches)

Leaf Width

• 1 - 2 cm (.40 - .80 inch)
• 2 - 4 cm (.80 - 1.6 inches)
• 4 - 10 cm (1.6 - 4.0 inches)

Leaf or Leaflet Margin

• Parted

Leaf or Leaflet Blade Base

• Acute (cuneate)

Leaf or Leaflet Tip

• Acuminate (attenuate)
• Acute

Leaf or Leaflet Blade Surface

• Glabrous (NO hairs)

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, columnar (narrow)

Plant Height at Maturity

• 2 - 4 dm (8.0 - 16.0 inches)
• 4 - 6 dm (1.3 - 2.0 feet)
• 6 - 8 dm (2.0 - 2.6 feet)

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 branched

Root or Vegetative Propagule

• Tap Root

US State

• Arkansas
• Massachusetts
• New York
• South Carolina
• Texas
• Maryland
• Arizona
• California
• Iowa
• Idaho
• Montana
• Nevada
• Oklahoma
• Oregon
• Utah
• Washington
• Wyoming

Canadian Province or Territory

• British Columbia
• Ontario

• Gilkey`s Weeds of the Pacific Northwest, 1980 (ISBN 0-88246-039-0) See page: 158
• Weeds of California, 1970, State of California Publications and Documents. See page: 249, 251
• Listed as a `Weed` by the Biota of North America Program, 2008 x
• Poteridium sanguisorba ssp. muricatum / Rosaceae / burnet, salad
• Gilkey`s Weeds of the Pacific Northwest, 1980 (ISBN 0-88246-039-0) See page: 158
• Ontario Weeds, 1992 Agdex 640, Publication #505 See page: 117
• Weeds, 1955 (1980) Walter Conrad Muenscher, ISBN# 0-8014-1266-8 See page: 274
• Weeds of California, 1970, State of California Publications and Documents. See page: 250, 251
• Weeds of California and other Western States, 2007 (ISBN 13: 978-1-879906-69-3) See Page: 1418
• Weeds of the Northern United States and Canada, 1964 Montgomery See page: 91
• Listed as a `Weed` by the Biota of North America Program, 2008 x
• Listed in the WSSA Composite List of Weeds X