Small to medium size shrub with lanceolate simple leaves, edges slightly undulate, to 3" long, plant foliage and stems exude white latex when damaged. Specimens growing in too bright light tend to have yellowy foliage, while as an understory plant in the forest it has darker green leaves. Jasmine-like white pin-wheeled fragrant flowers, 5 petals with long tips fusing to form tube, regularly symmetrical. Fruit is pairs of orange-yellow fused banana shaped capsules, similar to other species.
Tabernaemontana orientalis is deciduous when temperature drops below 65F.