It is similar in form to Iris bloudowii, but smaller, although it has slightly inflated bracts.
[2] It has glaucous green leaves, that are falcate (or sickle-shaped) or bent slightly above middle of the leaf.
[3][4][5] It has 3 cm long and 4 mm wide style branches, which has lobes that are obliquely lanceolate.
[3][4] it produces a yellow green,[4][5] ellipsoid,[3] or obovate seed capsule,[4][5] which is 4 cm long and 2 cm wide,[3][4][5] with a short beak, and yellow green with 6 ribs.
[4][5] Inside the capsules, are reddish brown, pyriform (pear-shaped) seeds,[3][4][5] which are about 7 mm long.
[4] It is written as 弯叶鸢尾 in Chinese script,[3] and known as wān yè yuān wěi in Pinyin in China.
[4][10] The Latin specific epithet curvifolia refers to having curved leaves.
[2][11] It was first published and described by Yu Tang Zhao in 'Acta Phytotaxonomica Sinica' (Acta Phytotax.