Cullen tenax

{{Short description|Species of plant}}

{{Speciesbox

| image = Cullen tenax flowerhead2 (10738313446).jpg

| genus = Cullen

| species = tenax

| authority = (Lindl.) J.W.Grimes

| synonyms = Psoralea tenax Lindl.

}}

Cullen tenax, commonly known as emu foot, is a herbaceous, perennial shrub. Often found in forest or on heavy soils in medium to low rainfall areas in south eastern Australia.{{cite web |title=Cullen tenax |url=https://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Cullen~tenax |publisher=PlantNet - New South Wales Flora Online |author = G.J.Harden & L.Murray |access-date=11 December 2024}}{{cite web |last1= |first1= |title=Cullen tenax|url=https://bie.ala.org.au/species/https://id.biodiversity.org.au/node/apni/2904673 |publisher=Atlas of Living Australia |access-date=11 December 2024}}

It was first described in 1838 as Psoralea tenax by John Lindley,{{APNI2|name=Cullen tenax|id=134858|access-date=2025-01-04}}Lindley, J. in Mitchell, T.L. (1838), [https://www.biodiversitylibrary.org/page/56306068 Three Expeditions into the interior of Eastern Australia 2: 9] but was reassigned to the genus Cullen in 1996 by James Walter Grimes.{{cite Q|Q104043213}}