Pune, Maharashtra, India
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In his 'Flora Indica', Roxburgh describes this plant as an annual and diffuse species, somewhat armed with inoffensive prickles. He also writes: 'A native of Coromandel; appearing on wet pasture land, borders of rice fields, &c. in the rainy season.'
Roxburgh, 'Flora Indica' (1832) v.3, p.337.