Loiseleuria

from The Century Dictionary.

• noun A genus of ericaceous plants of the tribe Rhodoreæ, characterized by a campanulate corolla, on which the five stamens are inserted, and by having the leaves opposite.

from the GNU version of the Collaborative International Dictionary of English.

• proper noun A genus of plants having only one species, the alpine azalea.

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

• noun one species: alpine azalea