red valerian

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An ornamental perennial plant (Centranthus ruber) native to the Mediterranean region, grown for its dense clusters of small fragrant red flowers.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Centranthus ruber, a garden plant and native of the Mediterranean region.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun European herb with small fragrant crimson or white spurred flowers