Range. Florida, tropical America. In Myanmar, found in Mandalay and Yangon.

Uses
Leaf, Root: Used as a tonic, anthelmintic, and antiasthmatic.

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Origin:
Throughout India, as a common weed in open and grassy places; ascending to 2,000 m in the Himalayas.

Action:
Brain tonic, an aid in conception, astringent, antidysenteric.
Leaf—antiasthmatic. Used in nervine affections (epilepsy, insanity, spermatorrhoea), and duodenal ulcers, also for uterine affections.
Flowers—used for uterine bleeding and internal haemorrhages. A decoction of the herb is given as a blood purifier.

1) DeFilipps, Robert A.; Krupnick, Gary A. / PhytoKeys, v. 102. - - p. 1 - 314,  2018.

2) Khare, C.P./ Indian Medicinal Plants. -- Nueva Dheli: Springer, 2007 . - p. 836.