Flowers in a large, axillary or terminal panicle, often showy, calyx funnel or
bell shaped, 6(9) lobed, petals often 6, inserted near the mouth of the
calyx tube, white to pink or purple, clawed, wrinkled, stamens many, in
several rows, ovary superior, 3-6 locular with many ovules in each cell,
style 1.