The Collaborative International Dictionary of English v.0.48:

Jasmine \Jas"mine\, n. [F. jasmin, Sp. jazmin, Ar.
   y[=a]sm[imac]n, Pers. y[=a]sm[imac]n; cf. It. gesmino,
   gelsomino. Cf. Jessamine.] (Bot.)
   A shrubby plant of the genus Jasminum, bearing flowers of a
   peculiarly fragrant odor. The Jasminum officinale, common
   in the south of Europe, bears white flowers. The Arabian
   jasmine is Jasminum Sambac, and, with Jasminum
   angustifolia, comes from the East Indies. The yellow false
   jasmine in the Gelseminum sempervirens (see Gelsemium).
   Several other plants are called jasmine in the West Indies,
   as species of Calotropis and Faramea. [Written also
   jessamine.]
   [1913 Webster]

   Cape jasmine, or Cape jessamine, the Gardenia florida,
      a shrub with fragrant white flowers, a native of China,
      and hardy in the Southern United States.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Cape \Cape\ (k[=a]p), n. [F. cap, fr. It. capo head, cape, fr.
   L. caput heat, end, point. See Chief.]
   A piece or point of land, extending beyond the adjacent coast
   into the sea or a lake; a promontory; a headland.
   [1913 Webster]

   Cape buffalo (Zool.) a large and powerful buffalo of South
      Africa (Bubalus Caffer). It is said to be the most
      dangerous wild beast of Africa. See Buffalo, 2.

   Cape jasmine, Cape jessamine. See Jasmine.

   Cape pigeon (Zool.), a petrel (Daptium Capense) common
      off the Cape of Good Hope. It is about the size of a
      pigeon.

   Cape wine, wine made in South Africa [Eng.]

   The Cape, the Cape of Good Hope, in the general sense of
      the southern extremity of Africa. Also used of Cape Horn,
      and, in New England, of Cape Cod.
      [1913 Webster]

WordNet (r) 3.0 (2006):

cape jessamine
    n 1: evergreen shrub widely cultivated for its large fragrant
         waxlike white flowers and glossy leaves [syn: cape
         jasmine, cape jessamine, Gardenia jasminoides,
         Gardenia augusta]