Wordnet 3.0
NOUN (1)
1. 
 genus of North American herbs with basal cordate or orbicular leaves and small panicled flowers; 
[syn: Heuchera, genus Heuchera]
The Collaborative International Dictionary of English v.0.48:
Heuchera \Heuchera\ n.
   A genus of North American herbs with basal cordate or
   orbicular leaves and small panicled flowers.
   Syn: genus Heuchera.
        [WordNet 1.5]
WordNet (r) 3.0 (2006):
Heuchera
    n 1: genus of North American herbs with basal cordate or
         orbicular leaves and small panicled flowers [syn:
         Heuchera, genus Heuchera]