| Type | Indigenous |
|---|---|
| Family | Dipterocarpaceae |
| Local Name | Kalpayin |
| Local Name 2 | Vella ayani |
| Habit | Large sized tree |
| Botanical Features | Lofty evergreen trees, to 35 m high, bole straight; bark pale grey, smooth, exfoliations irregular, brittle; blaze creamy chocolate-yellow; branchlets tomentose. Leaves simple, alternate; stipules large, lateral, leaving an annular stipular scar, tomentose; petiole 17-50 mm, slender, glabrous, swollen tipped; lamina 7-25 x 4-17.5 cm, ovate, base acute, obtuse or cordate, apex acute or acuminate, margin crenate, undulate, glabrous, coriaceous, lateral nerves 10-15 pairs, parallel, prominent, intercostae scalariform, obscure. Flowers bisexual, white, fragrant, 3-5 together in axillary racemes; pedicels 3 cm long; calyx cupular at base, lobes 5, unequal; petals 5, tinged with pink; stamens 30; filaments yellowish, often dilated at base; connective aristate; ovary superior, slightly adherent to the calyx tube, 3-celled, ovules 2 in each cell. Fruit a nut; wings 2, oblong, reddish-brown, to 10 x 2 cm. |
| Habit |   |
| Fruit |  |