{{Short description|Species of flowering plant}}
{{Speciesbox | image = | genus = Ixia | species = acaulis | authority = Goldblatt & J.C.Manning }}
'''''Ixia acaulis''''' is a perennial species of geophyte of {{cvt|2-3|cm|in}} tall in the family ''Iridaceae''.<ref name=COL>{{cite web |url= https://www.catalogueoflife.org/data/taxon/3QFJL |title= Ixia acaulis Goldblatt & J.C.Manning |author= <!--Not stated-->|date= n.d. |website= Catalogue of Life|publisher= Species 2000|access-date= December 24, 2025}}</ref> It has one or few star-symmetrical flowers consisting of an upright, long, cylindrical perianth tube that emerges from the ground, is whitish at base and gradually changes to bright yellow, where it abruptly ends in 6 horizontally spreading or reflexed ovate tepals. From the perianth tube 3 clustered, upright stamens arise carrying creamy pollen. It has 3-5 prostrate to inclined, line-shaped to narrowly lance-shaped leaves. This species grows in limestone crevices in the vygieveld of the Knersvlakte, just north of the Saldanha railway between Garies and Bitterfontein in the Western Cape province of South Africa.<ref name="First Description">{{cite journal|author= Peter Goldblatt and John C. Manning|year= 1993|title= Ixia acaulis, a New Acaulescent Species of Iridaceae: Ixioideae from the Knersvlakte, Namaqualand, South Africa|journal= Novon|volume= 3|number= 2 |pages= 148-153|publisher= Missouri Botanical Garden Press|url= https://www.jstor.org/stable/3391523}}</ref> The plant has an area of occurrence of 35 km<sup>2</sup> and on all three properties where it occurs, prospecting work is being done for limestone and its exploitation.<ref>{{cite web|website= Plants of the World Online|title= Ixia acaulis|url= http://plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:972365-1}}</ref> The species is considered endangered because of its small distribution and the threat of limestone mining.<ref>http://redlist.sanbi.org/species.php?species=1547-1 REDLIST Sanbi</ref>
==References== {{Reflist}}
{{Taxonbar|from=Q15573488}}
Category:Endemic flora of the Cape Provinces Category:Fynbos acaulis Category:Plants described in 1993 Category:Taxa named by John Charles Manning Category:Taxa named by Peter Goldblatt
{{Iridaceae-stub}}