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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Monocots
Cladus: Commelinids
Ordo: Poales

Familia: Juncaceae
Genus: Juncus
Species: Juncus xiphioides

Juncus xiphioides E.Mey., 1822

Juncus xiphioides var. auratus Engelm.
Juncus xiphioides var. littoralis Engelm.

Native distribution areas:

Continental: Northern America
'Regional: Southwestern USA
USA (Arizona, California, New Mexico, Nevada)
'Regional: Mexico
Mexico (Baja California Norte, Chihuahua, Hidalgo, Jalisco, Mexico State)

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition
Primary references

Meyer, E.H.F., 1822. Syn. Junc. 50 (1822).

Additional references

Kirschner, J. & al. (2002). Juncaceae Species Plantarum: Flora of the World 6-8: 1-237, 1-336,1-192. Australian Biological Resources Study, Canberra.


Govaerts, R. et al. 2022. Juncus xiphioides in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2022 Mar 09. Reference page.
Hassler, M. 2022. Juncus xiphioides. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2022. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2022 Mar 09. Reference page. 2022. Juncus xiphioides. Missouri Botanical Garden. Published online. Accessed: 09 Mar 2022.
International Plant Names Index. 2022. Juncus xiphioides. Published online. Accessed: Mar 09 2022.
Juncus xiphioides – Taxon details on Integrated Taxonomic Information System (ITIS).

Vernacular names
English: Irisleaf rush

Juncus xiphioides is a species of rush known by the common name irisleaf rush.

It is native to the Southwestern United States, many areas of California, and in Baja California. It grows in wet areas in many habitat types.[1]

Juncus xiphioides is a rhizomatous perennial herb producing erect stems to a maximum height between about 40 and 80 centimeters. It has wide leaf blades for a rush, often exceeding one centimeter in width at the base. The few straw-colored leaves reach up to 40 centimeters in length.

The large inflorescence has many clusters of up to 70 flowers each. The flower has very narrow green, red, or yellow-brown, lance-shaped tepals and six stamens with very small anthers. The fruit is a brown oblong capsule.


Juncus xiphioides is cultivated as an ornamental plant, for use in native plant and water gardens, and natural landscaping projects.[2]

Calflora database: Juncus xiphioides . accessed 2.12.2013
Las Pilitas Nursery horticultural treatment: Juncus xiphioides — Iris Leaved Rush . 2.12.2013

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