{{Short description|Species of flowering plant}} {{Speciesbox |image=Atriplex prostrata 2017-09-16 4066.jpg |image_caption=Leaves |image2=Billeder af nordens flora (1917) (20344834396).jpg |image2_caption=Botanical illustration |status = {{TNCStatus}} |status_system = TNC |genus=Atriplex |species=prostrata |authority=Boucher ex DC.<ref>J.B.A.M.de Lamarck & A.P.de Candolle, Fl. Franç., ed. 3, 3: 387 (1805)</ref> |synonyms_ref=<ref name="60448217-2" /> |synonyms={{collapsible list| *''Atriplex calotheca'' <small>(Rafn) Fr.</small> *''Atriplex decumbens'' <small>Schult.</small> *''Atriplex deltoidea'' <small>Bab.</small> *''Atriplex flavescens'' <small>Dumort.</small> *''Atriplex gigantea'' <small>Poir. ex Moq.</small> *''Atriplex gracilis'' <small>Nutt. ex Moq.</small> *''Atriplex halimoides'' <small>Raf.</small> *''Atriplex hastata'' <small>L.</small> *''Atriplex hastata'' subsp. ''smithii'' <small>Syme</small> *''Atriplex hastata'' var. ''calotheca'' <small>Rafn</small> *''Atriplex hastata'' var. ''prostrata'' <small>(Boucher ex DC.) Lange</small> *''Atriplex hastata'' var. ''salina'' <small>Wallr. ex Gren.</small> *''Atriplex hastata'' var. ''triangularis'' <small>(Willd.) Moq.</small> *''Atriplex hastifolia'' <small>Salisb.</small> *''Atriplex integrifolia'' <small>Krock. ex Steud.</small> *''Atriplex lacera'' <small>Desf.</small> *''Atriplex laciniata'' var. ''americana'' <small>Torr.</small> *''Atriplex latifolia'' subsp. ''prostrata'' <small>(Boucher ex DC.) Hiitonen</small> *''Atriplex latifolia'' subsp. ''triangularis'' <small>(Willd.) Hiitonen</small> *''Atriplex latifolia'' <small>Wahlenb.</small> *''Atriplex macrotheca'' <small>Moq.</small> *''Atriplex microcarpa'' <small>Waldst. & Kit.</small> *''Atriplex microsperma'' <small>Bab.</small> *''Atriplex microsperma'' <small>Waldst. & Kit.</small> *''Atriplex microtheca'' <small>Fr.</small> *''Atriplex multifida'' <small>Desf.</small> *''Atriplex novae-zelandiae'' <small>Aellen</small> *''Atriplex oblongifolia'' <small>Host</small> *''Atriplex oppositifolia'' <small>DC.</small> *''Atriplex patula'' subsp. ''hastata'' <small>(L.) H.M.Hall & Clem.</small> *''Atriplex patula'' var. ''hastata'' <small>(L.) A.Gray</small> *''Atriplex patula'' var. ''prostrata'' <small>(Boucher ex DC.) Mert. & W.D.J.Koch</small> *''Atriplex patula'' var. ''triangularis'' <small>(Willd.) Thorne & S.L.Welsh</small> *''Atriplex pharaonis'' <small>Moq.</small> *''Atriplex platensis'' <small>Speg.</small> *''Atriplex platysepala'' <small>Guss.</small> *''Atriplex polonica'' <small>Zapal.</small> *''Atriplex prostrata'' subsp. ''deltoidea'' <small>(Bab.) Rauschert</small> *''Atriplex prostrata'' subsp. ''triangularis'' <small>(Willd.) Rauschert</small> *''Atriplex prostrata'' var. ''salina'' <small>(Wallr.) O.Bolòs & Vigo</small> *''Atriplex prostrata'' var. ''smithii'' <small>(Syme) P.D.Sell</small> *''Atriplex pugae'' <small>Phil.</small> *''Atriplex ramosissima'' <small>Nutt. ex Moq.</small> *''Atriplex ruderalis'' <small>Wallr.</small> *''Atriplex sackii'' <small>Rostk. & Schmidt</small> *''Atriplex smithii'' <small>Syme</small> *''Atriplex spinacifolia'' <small>Stokes</small> *''Atriplex transsilvanica'' <small>Schur</small> *''Atriplex triangularis'' <small>Willd.</small> *''Atriplex veneta'' <small>Moq.</small> *''Chenopodium hastatum'' <small>Dumort.</small> *''Chenopodium latifolium'' <small>(Wahlenb.) E.H.L.Krause</small> *''Obione corsica'' <small>Rouy</small> *''Obione novae-zelandiae'' <small>(Aellen) G.L.Chu</small> *''Obione platensis'' <small>(Speg.) G.L.Chu</small> *''Schizotheca hastata'' <small>(L.) Fourr.</small> }}}}

'''''Atriplex prostrata''''', called the '''spear-leaved orache''', '''hastate orache''', '''thin-leaf orache''', '''triangle orache''', and '''fat hen''', is a widespread species of flowering plant in the saltbush genus ''Atriplex'', native to Europe, Macaronesia, northern Africa, Ethiopia, the Middle East, western Siberia, and Central Asia, and introduced to temperate North America, South America, Australia, New Zealand, Korea, Japan, and Primorsky Krai in far eastern Russia.<ref>{{cite web |url=http://biology.burke.washington.edu/herbarium/imagecollection/taxon.php?Taxon=Atriplex%20prostrata |title=''Atriplex prostrata'' fat hen, hastate orache, thin-leaf orache |last1=Knoke |first1=Don |last2=Giblin |first2=David |date=2021 |website=Burke Herbarium Image Collection |publisher=Burke Museum, University of Washington |access-date=2 January 2021 }}</ref><ref>{{cite web |url=https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=192279 |title=Atriplex prostrata Boucher ex DC. |author=<!--Not stated--> |date=1 January 2021 |website=itis.gov |publisher=Integrated Taxonomic Information System (ITIS) |access-date=2 January 2021 }}</ref><ref name="60448217-2" >{{cite web |url=http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:60448217-2 |title=''Atriplex prostrata'' Boucher ex DC. |author=<!--Not stated--> |date=2017 |website=Plants of the World Online |publisher=Board of Trustees of the Royal Botanic Gardens, Kew |access-date=2 January 2021 }}</ref><ref>{{cite web |title=''Atriplex prostrata'' spear-leaved orache |url=https://www.rhs.org.uk/Plants/121161/i-Atriplex-prostrata-i/Details |publisher=The Royal Horticultural Society |accessdate=2 January 2021 }}</ref> It is a facultative halophyte.<ref name="1_of_3300_Google_Scholar_Hits" >{{cite journal |title=Effect of Salinity on Growth, Ion Content, and Cell Wall Chemistry in ''Atriplex prostrata'' (Chenopodiaceae) |last1=Wang |first1=Li-Wen |last2=Showalter |first2=Allan M. |last3=Ungar |first3=Irwin A. |journal=American Journal of Botany |year=1997 |volume=84 |issue=9 |pages=1247–1255 |doi=10.2307/2446049 |jstor=2446049 |pmid=21708680 |doi-access=free }}</ref>

==Subspecies== The following subspecies are currently accepted:<ref name = "60448217-2" />

*''Atriplex prostrata'' subsp. ''calotheca'' <small>(Rafn) M.A.Gust.</small> *''Atriplex prostrata'' subsp. ''latifolia'' <small>(Wahlenb.) Rauschert</small> *''Atriplex prostrata'' subsp. ''polonica'' <small>(Zapal.) Uotila</small> *''Atriplex prostrata'' subsp. ''prostrata''

==References== {{Reflist}}

{{Taxonbar|from=Q159262}}

prostrata Category:Plants described in 1805 Category:Flora of Malta