Iris ser. Chinenses is a series of the genus Iris, in Iris subg. Limniris. The series was first classified by Diels in 'Die Natürlichen Pflanzenfamilien' (Edited by H. G. A. Engler and K. Prantl) in 1930.It was further expanded by in Gentes Herb (written in Dutch) in 1953. Most species come from East Asia with flattish (looking) flowers. The species in this series are similar in form to small forms of Iris ser. Sibiricae.Species in the series generally have a ridge on the falls of the flowers, similar to a crest. The series has been analysed by C. A Wilson in 2009, and found to be polyphyletic.