| Type | Indigenous |
|---|---|
| Family | Dipterocarpaceae |
| Synonym | Balanocarpus utilis Bedd. |
| Local Name | Karamkongu |
| Habit | Large sized tree |
| Botanical Features | Trees upto 25 m high, bark surface dark brown, mottled with grey and smooth. Leaves simple, alternate; stipules lateral, cauducous; petiole 10-12 mm long, stout, glabrous; lamina 9-24 x 2.5-10 cm, linear-lanceolate, ovate-lanceolate or oblong-ovate, base round or acute, apex acute, margin entire, glabrous, coriaceous; lateral nerves 10-12 pairs, pinnate, prominent; intercostae scalariform, faint. Flowers bisexual, yellowish-white, 6-8 mm long, in unilateral axillary, panicled racemes; pedicels short; calyx tube very short; lobes 5, slightly connate at base, hoary outside, 2 outer ones slightly longer, ovate, more or less obtuse, thickened, 3 inner suborbicular, often mucronate, thin along the margin; petals 5, oblong, obtuse, fleshy, pubescent, imbricate; stamens 15; filaments dilated at base, subulate, anthers suborbicular ; ovary superior, pubescent, 3-celled, ovules 2 in each cell; style short, cylindric; stigmas thick. Fruit a nut 10-12 mm across, globose, pointed, shining, with tuberculate, subacute, accrescent calyx lobes. |