Family: Asteraceae - Aster family
Growth Habit: Vine
Bangla/Vernacular Name: Toofainna lata, Refuzi lata (Chittagong).
Tribal Name: Asham ludi (Chakma), Woalaban (Marma), Lyhu-azing/Japai-acha (Khumi), Chinabelh (Bawm).
English Name: Climbing Hempweed, Bittervine.
Twiners, stems terete or slightly angled. Leaves opposite, simple, cordate-hastate. Flowers in heads of compound corymbs, white. Fruits cypseals, papus.
The plant contains mikanin, friedelin, epifriedinol, epifriedelinol, some sesquiterpene dilactones including dihydromikanolide, deoxymikanolide, mikanolide and scandenolide, three diterpenic acids known as kaurenic acid, butyryloxykaurenic acid and benzoyloxykaurenic acid, stigmasterol, ß-sitosterin, glucose, fructose and fumaric acid. A chlorinated germacranolide and mono-and di-epoxygermacranolides having one or two lactone rings have been isolated from the plant.
The plant is also a rich source of vitamins A and C, also contains vitamin B. (Ghani, 2003). Three new labdanic acid derivatives (I-III), two kaurenic acid derivatives (IV-V) and four new germacranolides (VI-IX) have also been isolated from the plant (Rastogi and Mehrotra, 1993).
Throughout Bangladesh, (noxious climbing weed).
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