Unona longifolia (Sonn.) Dunal
Uvaria longifolia Sonn.
Growth Habit: Tree
Bangla/Vernacular Name: Debdaru, Debdar, Saralgach.
Tribal Name: Debdaru (Tripura), Rangadaru (Tripura), Suksan (Tripura), Golmorice (Tripura).
English Name: Mast, Cemetry Tree.
A tall handsome, evergreen tree with a conical crown. Leaves 7-20 cm long, narrowly lanceolate with wavy edges. Flowers 2.5-3.8 cm across, yellowish green, in fasciles or short umbels from the axils of fallen leaves; petals subequal, linear, spreading, tapering to a point. Fruits 18 mm long, ovoid, produced in great clusteres on glabrous stalks, black when ripe.
Leaves have been reported to contain an azafluorene alkaloid, polylongine and three aporphine N-oxide alkaloids, (+)-O-methylbulbocapnine- a-N-oxide, (+)-O-methyl bulbocapnine- ß-N-Oxide and (+)-N-methylnandigerine- ß-N-oxide. Pentacyclic triterpenes, tarexasterol, stigmasterol, ß-sitosterol, campesterol, a-amyrine and ß-amyrin have also been identified in the leaves. Clerodane diterpenoids have been isolated from the bark and seeds of this plant (Ghani, 2003). A new proanthocyanidin (I) along with ß-sitosterol and leucocyanidin have been isolated from stem bark (Rastogi & Mehrotra, 1993).
Tablet prepared from paste of root is taken once daily for three days for the treatment of jaundice (Tripura).
Polyalthia longifolia (Sonn.) Thw.
Planted throughout the country.
Return from Polyalthia longifolia (Sonn.) Thw. to Ethnobotany Plants profile.