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Lawn Burweed Soliva sessilis

Other Common Name(s):

Phonetic Spelling
SOL-ih-vuh SES-sil-iss
This plant is an invasive species in North Carolina
Description

Soliva sessilis, or Lawn Burweed, is one of nine species of the Burweed genus. It is a small, low-growing, herbaceous, broadleaf annual, typically seen in winter, that can be weedy or invasive. It is listed as a noxious weed on the databases of 46 states. It is known for its tiny sharp-needled seeds and small feathery leaves that have the appearance of parsley. The seeds are contained in a pod in the junction of branches. The plant develops a number of creeping stems that produce shoots that, if left alone, will form a low ground cover. If the plant is allowed to mature, and not be removed, it does display small, bright flowers. In some areas of the country, the plants is known as Bindi Patches with the reputation that they cannot be walked on barefoot. This includes dogs and cats, which tend to avoid sites where the weed appears. 

You can manually remove the weed by pulling up the root; however, this should be done before seeding. It can also be controlled with herbicides that target broadleaf plants. Aerating the soil also tends to reduce the presence of Lawn Burweed.

See this plant in the following landscape:
Cultivars / Varieties:
Tags:
#invasive#weed#weedy#winter annual weed#annual weed#cool season weed
 
Cultivars / Varieties:
Tags:
#invasive#weed#weedy#winter annual weed#annual weed#cool season weed
  • Attributes:
    Genus:
    Soliva
    Species:
    sessilis
    Family:
    Asteraceae
    Life Cycle:
    Annual
    Recommended Propagation Strategy:
    Seed
    Country Or Region Of Origin:
    Peru to Brazil and Southern South America
  • Whole Plant Traits:
    Plant Type:
    Annual
    Weed
    Woody Plant Leaf Characteristics:
    Broadleaf Evergreen
    Deciduous
    Habit/Form:
    Prostrate
    Growth Rate:
    Rapid
    Maintenance:
    Low
    Texture:
    Coarse
    Appendage:
    Prickles
  • Cultural Conditions:
    Light:
    Full sun (6 or more hours of direct sunlight a day)
    Partial Shade (Direct sunlight only part of the day, 2-6 hours)
    Soil Texture:
    Sand
    Soil Drainage:
    Occasionally Wet
    NC Region:
    Coastal
    Piedmont
    USDA Plant Hardiness Zone:
    7b, 8a, 8b, 9b, 9a
  • Fruit:
    Fruit Type:
    Achene
    Fruit Description:
    The flattened 'seeds' are less than a 1/4 inch with a two-lobed wing along either side and two spines at one end, one of which is especially sharp. The fruit usually mature in spring and summer.
  • Flowers:
    Flower Color:
    Gold/Yellow
    Flower Inflorescence:
    Insignificant
    Flower Bloom Time:
    Spring
    Flower Size:
    < 1 inch
    Flower Description:
    Tiny yellow flowers. The flower-heads are roughly hemispherical in shape, and 1/4 inch across when the 'seeds' are mature. The flowering season is mainly during autumn and winter.
  • Leaves:
    Woody Plant Leaf Characteristics:
    Broadleaf Evergreen
    Deciduous
    Leaf Color:
    Green
    Leaf Feel:
    Soft
    Leaf Type:
    Simple
    Leaf Arrangement:
    Opposite
    Leaf Shape:
    Palmatifid
    Leaf Margin:
    Lobed
    Hairs Present:
    Yes
    Leaf Length:
    < 1 inch
    Leaf Width:
    < 1 inch
    Leaf Description:
    Small feathery leaves resembling parsley. The stems are green and softly hairy. The leaves are borne on stalks up to 3/4 inch long and have deeply divided leaf blades. These relatively small leaf blades (3/4 inch long and 1/2 inch wide) are covered in soft hairs (i.e. pilose). The first leaves are arranged in a rosette, while leaves are also alternately arranged along the stems.
  • Stem:
    Stem Is Aromatic:
    No
  • Landscape:
    Landscape Location:
    Lawn
    Problems:
    Invasive Species
    Weedy