• Common Name : Undupiyaliya

• Scientific Name : Desmodium triflorum

• Family : Euphorbiaceae

• Life cycle : Annual

• Morphological characters : A small prostrate annual orperennial legume with a woody taproot . Strongly branched stems to 50 cm frequently rooting at the nodes to form a mat. Trifoliate leaves with leaflets up to 12 mm long and 10 mm wide. Inflorescence with a cluster of 1–3 pink to purple flowers in leaf axils. Pods flat, segmented, 6– 18 mm long and 2–3.5 mm wide with 3–5 articles, and covered with minute hooked hairs. The uppersuture straight and the lower suture constricted between the articles. Pods break up into segments when ripe. Seed quadrangular to orbicular ca. 1.2 x 1.7 mm.

• Propagation : Seeds

• Agricultural importance : Compete for light, moisture, space, nutrients. Reduce the yield qualitatively and quantitatively.

• Uses : Have medicinal value

• Control measures : Manual and mechanical weeding Chemical control – Roundup or Gramoxon.