Oxalis debilis Syn.: O. corymbosa, O. grandifolia, O. umbrosa , Large-Flowered Pink Sorrel, lilac oxalis, pink wood sorrel

Oxalis debilis Syn.: O. corymbosa, O. grandifolia, O. umbrosa (Common name: Large-Flowered Pink Sorrel, lilac oxalis, pink wood sorrel) – Oxalidaceae,

 a bulbous plant native to south America, naturalized in parts of India - most likely a garden escape. 

Reference 

Surendra Parihar

Ex.Professor and Head.

Deptt. of Seed , Science and Technology.

Indian Agricultural Research Institute,

Pusa, 

New Delhi, 

India 110012