Region: Africa,
Madagascar, India, China, Thailand, Australia, New Zealand.
Taxonomy: the former genus Sebaea was shown to be paraphyletic and has been split in four genera: Exochaenium, Klackenbergia, Lagenias and Sebaea
BotanyAnnual plants
Flowers: extra stigma along the style, called diplostigmaty; shape of the testa cells of the seeds.