• Common Name : Irisiyakatu

• Scientific Name : Mimosa invisa

• Family : Fabaceae

• Life cycle : Perennial

• Morphological characters : The stem is erect in young plants, but becomes creeping or trailing with age. The stem is slender, branching, and sparsely to densely prickly, growing to a length of 1.5 m (5 ft). The leaves are compound leaves. The leaves are bipinnately compound, with one or two pinnae pairs, and 10-26 leaflets per pinna. The petioles are also prickly.Pedunculate (stalked) pale pink or purple >flower headsarise from the leaf axils. The globose to ovoid heads are 8-10 mm in diameter (excluding the stamens). On close examination, it is seen that the floret petals are red in their upper part and the filaments are pink to lavender. The fruit consists of clusters of 2-8 pods from 1-2 cm long each

• Propagation : Seeds

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

• Uses : No special use

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