Amaryllis belladonna BULB (Ammaryllidaceae) Belladonna lily (e). Maartlelie (a). This is a bulb that grows in the winter rainfall area but can tollerate summer water. The large clusters of scented, trumpet-shaped pink or white flowers are carried on a long purplish-red and green stem appearing 50cm above the soil. Up to twelve flowers are produced from the flowering stem. Flowers appear in late summer to autumn. The bulbs are large flowering size.