Dallisgrass

Dallisgrass

Paspalum dilatatum Poir.

Poaceae (Grass Family)

▲ mature plant

▲ ▼ mature plant with inflorescences

▲ ▼ prostrate stem growth with wide leaves, often with reddish-purple color, especially in full sun

▲ emerging inflorescence

▲ ▼ inflorescences

▲ ▼ flower details

▲ ligule and ▼ collar region of leaf

Dallisgrass/Paspalum spp:

  • warm-season, simple perennial clumping grass with spreading growth habit (not a creeping perennial)
  • looks very similar to crabgrass, but leaf blades slightly wider, stem bases and leaf sheaths have red or purplish coloring in late season
  • ligule is membranous
  • inflorescence different from crabgrass; 3-5 branched "stair-step" panicle; individual florets/seeds look like half-spheres--has 4 rows of seeds/flowers per panicle branch

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