The Collaborative International Dictionary of English v.0.48:

corydalis \corydalis\ n.
   a plant of the genus Corydalis, with beautiful compound
   foliage and spurred tubular flowers.
   [WordNet 1.5 +PJC]

WordNet (r) 3.0 (2006):

corydalis
    n 1: a plant of the genus Corydalis with beautiful compound
         foliage and spurred tubular flowers
    2: annual or perennial herbs of Himalayan China and South Africa
       [syn: Corydalis, genus Corydalis]
    3: type genus of the Corydalidae [syn: Corydalus, genus
       Corydalus, Corydalis, genus Corydalis]