Our mystery seeds from last week were from a plant commonly called angel's trumpets, Brugmansia sp.
These large shrubs or small trees are originally from South America, although I admit that I have only seen them growing in greenhouses.
Brugmansia are called angel's trumpets because of their extraordinarily large, hanging trumpet-shaped flowers. Plant breeding enthusiasts have developed beautiful hybrids and cultivars with flowers of many colors and shapes.
A relative of datura, all parts of these plants are toxic.
The photograph of the seeds from last week was by Klaus Beyer at PublicDomainPictures.net.
Have you ever grown this plant? What color were the flowers?