Family: Clusiaceae - Mangosteen family
Growth Habit: Tree
Bangla/Vernacular Name: Punnag, Sultana champa, Katchampa, Panial; Punyal, Puinnal, (Noakhali); Golab (Barisal, Sunderbans), Hundal (Sandwip).
Tribal Name: Thyklii-wing (Khumi).
English Name: Alexandrian Laurel, Dilo oil tree.
A medium-sized, evergreen, tree, with crooked trunk. Leaves broadly elliptic, rounded at apex with very close lateral nerves. Flowers pure white, in lax, few-flowered racemes. Fruit globose.
Leaves contain amentoflavone, friedelin, the triterpenes, canophyllal, canophyllol and canophyllic acid and derivatives of (+) - inophyllolide, called isophyllum A-E and P. Heartwood contains xanthones such as calophyllin, measuaxanthone and jacareubin; calanolide and other coumarin derivatives, calophyllolide, isophyllum A-E and P, calophyllic acid and isocalophyllic acid. Barks yield resin, which contains brasiliensic and isophylloidic acids.
Seeds contain coumarins, alkylcoumarin and calophynic acid. The root bark also contains a number of xanthones. The seed coat hard testa contains (+, -)-leucocyanidin. Calophyllolide, a complex coumarin have been isolated from the nuts which is antiarrhythmic (as effective as quinidine), bradicardiac, coronary dilator, hypertensive and anticoagulant, anti-inflammatory and anti-arthritic (Ghani, 2003).
Calophyllum inophyllum L.
Chittagong,Chittagong Hill Tracts,coastal forests of the country, especially Noakhali, Bhola and Patuakhali.