Coscinium fenestratum (Goetgh.) Colebr., Trans. Linn. Soc. London 13: 65 (1822)
Latin for 'window or opening'.
Coscinium maingayi Pierre
Coscinium miosepalum Diels
Coscinium peltatum Merr.
Coscinium usitatum Pierre
Coscinium wallichianum Miers
Coscinium wightianum Miers ex Diels
Menispermum fenestratum Gaertn.
Creeping and climbing vine of 25-30 m length, diameter 6-7 cm. Shoots curved, noded stem. Outer bark grey with small scales, inner bark yellow with
bitter taste. Wood bright yellow when cut, vertical sections showing radial lines, yellow sap. Leaf, single, alternate, obovate, lower blade
white-green, leaf base rounded or truncate, apex acute, margin entire, 9-15 cm long, 6-8cm wide, twisted petiole 4-7 cm. Inflorescence flat,
round topped rising from nodes, green-yellow flowers. Fruits, drupes 3 cm in diameter, brown to orange or yellow-grey in clusters of 10-20.
Prefers mixed and dense evergreen forest with fertile soil and high moisture.
Stem and roots processed in traditional medicine in an infusion, to treat wounds and dysentery and after effects of childbirth. Khuea haem in the form
of berberine is a popular medicine to eradicate bacterial diarrhoea and intestinal parasites. It has significant microbiological activity against
bacteria, fungi, yeast, protozoans (Gardia), viruses and worms, but also anticancer, anti-diabetes, anti-hepatitis activities. Chipped stems are
used to make a yellow dye, resembling turmeric.
India and Sri Lanka to Indochina and western Indonesia (Sunda Shelf Islands).
Cambodia: Khreua hen, Khamin khreua, Haem mahatsa chan.
English: Berberine vine, Tree turmeric.
Thai: Kheua haem, Haem khuay.
Vietnam: Day vang dang, Vang dang latrang, Hoang dang, Dang giang, Daymonang, Ko trong, To rong.