What is "amaryllideae"

Amaryllideae are a tribe of subfamily Amaryllidoideae ( family Amaryllidaceae). They are herbaceous monocot perennial flowering plants with a predominantly South African distribution, with the exception of the pantropical genus Crinum. They are generally treated as consisting of four subtribes. In addition to Crinum, other genera include Amaryllis, Boophone and Strumaria.