NC State Extension Publications

Description

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Lespedeza (Kummerowia striata, syn. Lespedeza striata) is a dark green, wiry summer annual with trifoliate leaves. Several wide-spreading prostrate branches come from the slender taproot. It grows close to the ground and seldom is cut by a mower. It is a very common summer weed, choking out thin turf. Hairs grow downward on the stem. Leaves are composed of three leaflets. Stipules are light to reddish brown. Small single flowers arise from the leaf axils on most of the nodes of the main stems and are pink or purple.

Cultural Control

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Maintain a dense, actively growing turf through proper mowing, fertilizing, and watering practices. Mow at the proper height for your selected adapted turfgrass. Coring and traffic control reduce compaction and encourage desirable turfgrass competition. It is best to control this summer annual broadleaf weed in late spring or early summer because it is easier to control at this time and the turf will have a greater chance of recovering the areas previously occupied by weeds.

Species Data

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  • GROWTH SEASON / LIFE CYCLE
    • summer annual weed
  • GROWTH HABIT
  • LEAFLET NUMBER
  • LEAF MARGIN
    • smooth
  • LEAF HAIRS
    • may be some along the midveins and margins only
  • LEAF / LEAFLET SHAPE
  • LEAF WIDTH
    • <1/2 inch to 1 inch
  • LEAF VENATION
    • pinnate; prominent midvein on each leaflet, many parallel veins almost perpendicular to the midvein
  • LEAF ARRANGEMENT
    • alternate
  • ROOT TYPE
  • FLOWER COLOR
    • flowers can range from pink to purple
Common lespedeza growth habit.

Figure 1. Common lespedeza growth habit.

Common lespedeza growth habit.

Figure 2. Common lespedeza growth habit.

Common lespedeza leaflet number.

Figure 3. Common lespedeza leaflet number.

Common lespedeza leaflet number.

Figure 4. Common lespedeza leaflet number.

Common lespedeza leaflet number.

Figure 5. Common lespedeza leaflet number.

Common lespedeza leaflet shape.

Figure 6. Common lespedeza leaflet shape.

Common lespedeza leaflet shape.

Figure 7. Common lespedeza leaflet shape.

Common lespedeza root type.

Figure 8. Common lespedeza root type.

Common lespedeza root type.

Figure 9. Common lespedeza root type.

Common lespedeza root type.

Figure 10. Common lespedeza root type.

Common lespedeza root type.

Figure 11. Common lespedeza root type.

Author

Extension Specialist (Turfgrass/Forage Crop Weed Mgt)
Crop & Soil Sciences

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Publication date: Nov. 22, 2017

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