The Collaborative International Dictionary of English v.0.48:
Agrostemma \Agrostemma\ n. 1. 1 a genus comprising the corncockles. Syn: genus Agrostemma. [WordNet 1.5]WordNet (r) 3.0 (2006):
Agrostemma n 1: a caryophylloid dicot genus including corn cockles [syn: Agrostemma, genus Agrostemma]