Wordnet 3.0
NOUN (1)
1. 
 any of various perennial South American plants of the genus Loasa having stinging hairs and showy white or yellow or reddish-orange flowers; 
The Collaborative International Dictionary of English v.0.48:
loasa \loasa\ n.
   any of various perennial South American plants of the genus
   Loasa having stinging hairs and showy white or yellow or
   reddish-orange flowers.
   [WordNet 1.5]
WordNet (r) 3.0 (2006):
loasa
    n 1: any of various perennial South American plants of the genus
         Loasa having stinging hairs and showy white or yellow or
         reddish-orange flowers