A modern reference to temperate woody plants, including updated content from this site and much new material, can be found at Trees and Shrubs Online.




A genus of about thirty species of herbs and sub-shrubs, natives of Asia for the most part but also represented in Europe (though not by woody species) and in Abyssinia. The spelling of the generic name is sometimes confused with Eschscholzia, a genus of Californian plants allied to the poppies.

Species articles