The Collaborative International Dictionary of English v.0.48:
Calochortus \Calochortus\ n. large genus of West North American leafy-stemmed bulbous herbs. Syn: genus Calochortus. [WordNet 1.5]WordNet (r) 3.0 (2006):
Calochortus n 1: large genus of western North American leafy-stemmed bulbous herbs [syn: Calochortus, genus Calochortus]