Weed Information: Spergularia rubra (sandspurry, red)
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Spergularia rubra (sandspurry, red)

Family: Caryophyllaceae

Description

A prostrate to ascending annual with narrowly linear leaves and small, pink flowers. The leaves clustered (fascicled) and each leaf subtended by a dry membranous triangular stipule.

Characteristics

Flower Color
  • Red (or pink)
Inflorescence Type (How the flowers are arranged on the plant)
  • Cyme (simple or branched)
Number of Petals
  • 5 petals
Petal Separation
  • Completely free to base
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)
Number of Sepals
  • 5 sepals
Sepal Separation
  • Completely free to base
Sepal Tip
  • Pointed
Flower Sex
  • Bisexual (perfect)
Number of Styles
  • 3 styles
Number of Stamens
  • 6 stamens
  • 7 stamens
  • 8 stamens
  • 9 stamens
  • 10 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
  • 3 carpels
Ovary Position
  • Superior (hypogynous)
Fruit Type
  • Capsule, 1-celled
Fruit Length at Maturity
  • 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)
Burs
  • Fruit or seed NOT bur-like

Leaf Arrangement
  • Opposite
  • Fascicled
Leaf Type
  • Simple (including lobed leaves)
Stipules
  • Scarious
Tendrils
  • Tendrils absent
Petiole (leaf stem) Blade Ratio
  • Petiole absent (leaf sessile)
Leaf Length (blade PLUS petiole)
  • 5 - 10 mm (.20 - .40 inch)
  • 1 - 2 cm (.40 - .80 inch)
  • 2 - 4 cm (.80 - 1.60 inches)
Leaf Width
  • < 1 mm (< .04 inch)
  • 1 - 5 mm (.04 - .20 inch)
Leaf Shape (simple leaves only)
  • Linear or filiform
Leaf or Leaflet Margin
  • Entire
Leaf or Leaflet Blade Base
  • Acute (cuneate)
Leaf or Leaflet Tip
  • Acute
  • Aristate
Leaf or Leaflet Blade Surface
  • Glabrous (NO hairs)
  • Glandular
  • Pubescent
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
Growth Habit (while flowering)
  • Prostrate
  • Spreading ascending
Plant Height at Maturity
  • < 1 cm (< .40 inch)
  • 1 - 5 cm (.40 - 2.0 inches)
  • 5 - 10 cm (2.0 - 4.0 inches)
Wind Dissemination
  • Not wind disseminated
Moisture Regime
  • 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
  • Alabama
  • Connecticut
  • Delaware
  • Illinois
  • Kentucky
  • Massachusetts
  • Maine
  • Michigan
  • New Hampshire
  • New Jersey
  • New York
  • Ohio
  • Pennsylvania
  • Virginia
  • Wisconsin
  • Indiana
  • Maryland
  • Rhode Island
  • Vermont
  • Alaska
  • California
  • Colorado
  • Idaho
  • Minnesota
  • Montana
  • New Mexico
  • Nevada
  • Oregon
  • Utah
  • Washington
  • Wyoming
Canadian Province or Territory
  • British Columbia
  • New Brunswick
  • Nova Scotia
  • Ontario
  • Prince Edward Island
  • Quebec
  • Newfoundland
  • Yukon
Other
  • District of Columbia
  • St. Pierre and Miquelon

  • Gilkey`s Weeds of the Pacific Northwest, 1980 (ISBN 0-88246-039-0) See page: 107
  • Northwest Weeds, 1990 (ISBN 0-87842-249-8) See page: 39
  • Weeds, 1955 (1980) Walter Conrad Muenscher, ISBN# 0-8014-1266-8 See page: 212, 215
  • Weeds of California, 1970, State of California Publications and Documents. See page: 185
  • Weeds of California and other Western States, 2007 (ISBN 13: 978-1-879906-69-3) See Page: 571
  • Weeds of the Northeast, 1997 Cornell University ISBN# 0-8014-8334-4 See page: 194, 196
  • Listed as a `Weed` by the Biota of North America Program, 2008 x
  • Listed in the WSSA Composite List of Weeds X
  • Sphaeralcea spp. / Malvaceae / globemallow
  • An Illustrated Guide To Arizona Weeds, 1972 (ISBN 0-8165-0288-9) 338 pages. See page: 214
  • Common Weeds of the Canadian Prairies, 1963 (Cat# A53-1136-1) See page: 47
  • Nebraska Weeds, 1979 Nebraska Dept. of Ag., Lincoln NE, See page: 119
  • Weeds of Nebraska and the Great Plains, 1994 (ISBN 0939870-00-4) See page: 364
  • Weeds of the Northern U.S, and Canada, 1999 Royer and Dickinson, (ISBN# 1-55105-221-0) See page: 229
  • Weeds of the West, 1992 (ISBN 0941570-13-4) See page: 392
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