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'''Punnaga'''is a moderate sized tree with smooth and shining oppositely arranged leaves. The fruits are used to make oil. Calophyllum inophyllum usually occurs naturally all along the coast, on beaches and further inland as well. 

{{Parts Used|SeedSeeds}}, {{Parts Used|Bark}}, {{Parts Used|Oil}}

The root bark and heartwood contain xanthones. The xanthones exhibited anti-inflammatory activity in ratsagainst carrageenan-induce oedema; also CNS depressant activity. Jacareubin and 6-deoxy derivatives exhibited antiulcer activity in rats. Calophyllolide, a complex 5-Phcoumarin isolated from nuts, showed antiarrhythmic (as effective as quinidine), bradycardiac coronary dilator, and anticoagulant, also anti-inflammatory and antiarthritic activity. <ref name="Chemical composition"/>

{{Common names|kn=honne kaayi maraಹೊನ್ನೆ Honne, naameruಹೂಹೊನ್ನೆ Huhonne, marasurahonneನಮೇರು ಮರ Nameru mara|ml=ceruppunaCeruppuna, ponnakumPonnakum, pounaPouna, punna|sa=namaeruakNamaeruak, panchakaesheraPanchakaeshera, punnagaPunnaga|ta=cayantakamCayantakam, punnagamPunnagam, punnaiPunnai-maram|te=naameruNaameru, nameruNameru, ponnaPonna, ponna Ponna chettu|hi=sultanachampaSultanachampa, surpunkaSurpunka, undiUndi|en=Alexanrian laurel|mr= Punnaga, Undi }}

{{Leaf|Simple|Opposite|Leaves broadly elliptic-oblong or obovate, cuneate to rounded at base, slightly recurved and margined, rounded, acute, slightly emarginate, retuse or sub-acute at apex, 6-15 x 3-10.5 cm, coriaceous, glabrous; midnerve channelled above; raised beneath; lateral nerves 4-20 pairs; petioles flat, 1-1.7 cm long, glabrous.}}

{{Flower|Bisexual|axillary Axillary racemes|whiteWhite||Flowers polygamous, 2-2.5 cm across, white, fragrant; bracts ovate, 3-4 mm long, caducous; pedicels 1-3 cm long, glabrous. Sepals 4, reflexed; outer pair ovate to suborbicular, concave, 5.5-6.5 x 4.5-6.5 mm, nerved; the inner subelliptic, 9-15 x 7.5-9.5 mm, petaloid, nerved. Petals usually 4, rarely 3 or 5, obovate to elliptic or oblong, reflexed, 9-12 x 5-9 mm, rarely glabrous, nerved. Stamens (175-) 210-360(-440); filaments 3.5-5.5 mm long, connate for 1.5 mm into 4-6 bundles, cream coloured; anthers rounded or retuse at apex, 0.7-2 mm long. Ovary globose-depressed, 2.5-3 x 2.8-3 mm, stipitate; style 4.5-6.5 mm long; stigmas peltate, 3-5 radiate, 0.7-2 mm across. }}

{{Fruit|Drupe|2.5-5 x 2.5-4 cm| smoothSmooth; stone subglobose, ca 2 cm across. ||}}