Euphorbia obesa Hook. f. Sven.: kloteuforbia.
Flowers. Brussels bot.g., Belgium. Greenhouse. 2008-06-05.
Flowering plant. Brussels bot.g., Belgium. Greenhouse. 2008-06-05.
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.