Wordnet 3.0
NOUN (1)
1. 
 tendril-climbing herbs or shrubs whose seeds have a white heart-shaped spot; 
[syn: Cardiospermum, genus Cardiospermum]
The Collaborative International Dictionary of English v.0.48:
Cardiospermum \Car"di*o*sper`mum\ prop. n.
   A genus of tendril-climbing herbs or shrubs whose seeds have
   a white heart-shaped spot.
   Syn: genus Cardiospermum.
        [WordNet 1.5]
WordNet (r) 3.0 (2006):
Cardiospermum
    n 1: tendril-climbing herbs or shrubs whose seeds have a white
         heart-shaped spot [syn: Cardiospermum, genus
         Cardiospermum]