autumn crocus

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

• noun A corm-producing Eurasian and North African plant (Colchicum autumnale) having showy colorful flowers that appear in the fall. It is a source of colchicine.

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

• noun Colchicum autumnale, a Fall-blooming colchicum.

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

• noun bulbous autumn-flowering herb with white, purple or lavender-and-white flowers; native to western and central Europe