Relatives include tobacco, eggplant, petunia, tomato and potato.
Species classed as a dicotyledon, leaves not parallel veined.
Flowers are tubular, flaring into cup shape at end, up to 1 inch across.
Stems much branched, hairy, with stiff narrow leaves.
Nierembergia: for Juan Eusebio Nieremberg, 1595-1658, a Spanish Jesuit and first professor of natural history at Madrid.
This family has many poisonous members including the common weed, deadly nightshade, and the green skin of potatoes. On the other hand, it is a source of many commercial foods including potato, tomato, pepper and eggplant. Tobacco also is a member.
Also grown as a bedding plant.
One favorite cultivar is ‘Mont Blanc’ that has white flowers.
Will generally do its best in light levels at least bright enough to read a newspaper in comfort but more light (up to filtered full sunlight) would be better.