Eupatorium ayapana Vent.
Family: Asteraceae

Bengali/vernacular name: Ayapan, Ayapana.
Tribal name: Paihu (Marma).
English name: Ayapana Tea.

Description of the plant:
An ascending, slender perennial. Leaves purple, subsessile, lanceolate, 3-nerved, acuminate, subentire, glabrous. Inflorescence a lax, few-headed corymb, heads pedicellate, about 20-flowered; flowers slaty blue.

Using information:
The herb is stimulant, tonic in small doeses and laxative when taken in quantity. A hot infusion is emetic and diaphoretic. Decoction of the leaves is antiseptic and haemostatic; useful against various kinds of haemorrhage and to clean foul ulcers. An aquous extract of the dried leaves is a cardiac stimulant. Fresh leaves are used by the Marma for cut and stomachache (Yusuf et al. 2009).

Ethanolic extract of the arial parts of the plant possess antibacterial and antifungal properties (Begum et al., 2007 & Anwar et al., 2007).


Chemical constituents:
The leaves contain an essential oil and the coumarins, ayapanin and ayapin, stigmasterol, esculetin methylene ether, vitamin C and carotene. Ayapanin and ayapin are non-toxic and possess pronounced haemostatic properties and are effective when applied locally or when administered by subcutaneous injection or by mouth (Ghani, 2003, Rastogi & Mehrotra, 1993).

Mostly found in the homestead of tribal people in Chittagong Hill Tracts.