Delphinium Ajacis

from WordNet (r) 3.0 (2006)

Delphinium ajacis
    n 1: commonly cultivated larkspur of southern Europe having
         unbranched spikelike racemes of blue or sometimes purplish
         or pinkish flowers; sometime placed in genus Delphinium
         [syn: {rocket larkspur}, {Consolida ambigua}, {Delphinium
         ajacis}]

from The Collaborative International Dictionary of English v.0.48

Rocket \Rock"et\, n. [F. roquette (cf. Sp. ruqueta, It
   ruchetta), fr. L. eruca.] (Bot.)
   (a) A cruciferous plant ({Eruca sativa}) sometimes eaten in
       Europe as a salad.
   (b) Damewort.
   (c) Rocket larkspur. See below.
       [1913 Webster]

   {Dyer's Rocket}. (Bot.) See {Dyer's broom}, under {Broom}.

   {Rocket larkspur} (Bot.), an annual plant with showy flowers
      in long racemes ({Delphinium Ajacis}).

   {Sea rocket} (Bot.), either of two fleshy cruciferous plants
      ({Cakile maritima} and {Cakile Americana}) found on the
      seashore of Europe and America.

   {Yellow rocket} (Bot.), a common cruciferous weed with yellow
      flowers ({Barbarea vulgaris}).
      [1913 Webster]