Iris subg. Xiphium
Subgenus Xiphium is a subgenus of Iris. If considered a separate genus from Iris, it is known as genus Xiphion.
The Latin specific epithet Xiphium refers to the Greek word for sword xiphos.
All species in this subgenus are true bulbs, and are native to southwest Europe and northern Africa.
Mainly known for the garden cultivars known as Dutch Iris, Spanish Iris and English Iris. They generally flower between early to mid-summer and each stem produces between 1 - 3 flowers.
Most bulbs should be planted in late autumn, 10 cm deep and between 5–10 cm apart.
Section Xiphium
| Image | Scientific name | Distribution |
| Iris boissieri Henriq 1885 | Spain and Portugal | |
| Iris filifolia Boiss. 1842 | Morocco, Spain | |
| Iris juncea Poir. 1789 | Algeria, Tunisia Spain, Sicily | |
| Iris latifolia Mill. 1895 – English iris | France, Spain | |
| Iris rutherfordii M Rodriguez,P Vargas,M Carine and S Jury 2009 | Morocco | |
| Iris serotina Willk. in Willk. & Lange 1861 | Spain and Morocco. | |
| Iris tingitana Boiss. & Reut. 1852 – Morocco iris | Morocco, Algeria, Spain, Portugal. | |
| Iris xiphium L. 1753 | Corsica, France, Italy, Algeria and Tunisia |
Horticultural hybrids