You're seeing this message because you're using an older version of Internet Explorer that is unsupported on our website. Please use these links to upgrade to a modern web browser that fully supports our website and protects your computer from security risks.
This genus includes perennial herbs often with milky sap. The stems are usually erect and solitary with opposite or whorled leaves. The flowers appear as cymose or simple umbels. The corona is made up of five scoop-like hoods which may have horns as well and the corolla is divided deeply. The fruit is a follicle.
Plants in Genus: