African lily

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

• noun A rhizomatous plant (Agapanthus africanus) of South Africa, grown especially for its umbels of blue, violet, or white funnel-shaped flowers.

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

• noun A plant of the species Agapanthus umbellatus having a short stem bearing a tuft of long, narrow, arching leaves 1/2 to 2 ft. long and a central flower stalk 2 to 3 ft. high, ending in an umbel of bright blue, funnel-shaped flowers.

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

• noun African plant with bright green evergreen leaves and umbels of many usually deep violet-blue flowers