Vernonia baldwinii Torr. Engl.: Baldwin's ironweed, western ironweed.
Flowering tops and seedheads. Kew Garden, London, UK. Planted. 2005-09-12.
Flowers from above. Gorgeous! Kew Garden, London, UK. Planted. 2005-09-12.
Henriette's herbal is one of the oldest and largest herbal medicine sites on the net. It's been online since 1995, and is run by Henriette Kress, a herbalist in Helsinki, Finland.