DONATE Host an Event Volunteer Join Tickets

Support the plant database you love!

Native Plants

Help us grow by giving to the Plant Database Fund or by becoming a member

Did you know you can access the Native Plant Information Network with your web-enabled smartphone?

Botanical Glossary

See a list of all terms

Spur

Definition: A tubular or saclike extension of a sepal or petal, usually containing nectar.

Last Updated: 2013-08-11