The Collaborative International Dictionary of English v.0.48:

Aspalathus \As*pal"a*thus\, n. [L. aspalathus, Gr. ?.] (Bot.)
   (a) A thorny shrub yielding a fragrant oil. --Ecclus. xxiv.
       15.
   (b) A genus of plants of the natural order Leguminos[ae].
       The species are chiefly natives of the Cape of Good Hope.
       [1913 Webster]

WordNet (r) 3.0 (2006):

Aspalathus
    n 1: genus of South African heathlike shrubs [syn: Aspalathus,
         genus Aspalathus]