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 is a genus of primarily acaulescent annual and perennial herbs. Leaves are generally alternate and basal. On the plants with stems the leaves are opposite. The flowers are commonly small and in spikes or heads and wind pollinated, but there are some exceptions. The fruits are capsules or nuts.
Plants in Genus: