Lomandra

{{Short description|Genus of flowering plants}}

{{Use dmy dates|date=April 2021}}

{{Automatic taxobox

|taxon=Lomandra

|image=Edwards's botanical register (Plate 3) (7949423262).jpg

|image_caption=Botanical illustration

|authority=Labill.

|synonyms_ref={{r|wcsp}}

|synonyms=* Xerotes R.Br.

|subdivision_ranks=Species

|subdivision=See text

}}

Lomandra, commonly known as mat rushes,{{cite web |title=The Matt Rushes at San Marcos Growers |url=http://www.smgrowers.com/info/lomandra.asp |publisher=smgrowers.com |access-date=21 December 2016}} is a genus of perennial, herbaceous monocots in the family Asparagaceae, subfamily Lomandroideae.{{Citation |last=Chase |first=M.W. |last2=Reveal |first2=J.L. |last3=Fay |first3=M.F. |year=2009 |title=A subfamilial classification for the expanded asparagalean families Amaryllidaceae, Asparagaceae and Xanthorrhoeaceae |journal=Botanical Journal of the Linnean Society |volume=161 |issue=2 |pages=132–136 |doi=10.1111/j.1095-8339.2009.00999.x|name-list-style=amp |doi-access=free }} The genus was first described in 1805 by Jacques Labillardière.{{APNI2|id=74780|name=Lomandra}}de Labillardière, J.J.H. (1805), [https://www.biodiversitylibrary.org/page/40848191 Novae Hollandiae Plantarum Specimen 1(12): 92]

There are 51 species, all of which are native to Australia; two of them also extend into New Guinea and New Caledonia.

They are generally tufted dioecious perennials with long narrow blade-like leaves that arise from a central stemless base and have thick woody rhizomes and fibrous roots.