Titanopsis calcarea

{{Short description|Species of plant in the genus Titanopsis}}

{{Speciesbox

|image=Titanopsis calcarea.jpg

|image_caption=In bloom

|genus=Titanopsis

|species=calcarea

|authority=(Marloth) SchwantesZ. Sukkulentenk. 2: 178 (1926)

|synonyms_ref=

|synonyms=

• Mesembryanthemum calcareum Marloth

}}

Titanopsis calcarea, commonly called the jewel plant, is a species of ice plant (family Aizoaceae) in the genus Titanopsis, native to the Cape Provinces, Free State, and Northern Provinces of South Africa.{{cite web |url=http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:364806-1 |title=Titanopsis calcarea (Marloth) Schwantes |author= |date=2017 |website=Plants of the World Online |publisher=Board of Trustees of the Royal Botanic Gardens, Kew |access-date=16 March 2021 }} A succulent, it has gained the Royal Horticultural Society's Award of Garden Merit as an ornamental.{{cite web |title=Titanopsis calcarea jewel plant |url=https://www.rhs.org.uk/Plants/169752/Titanopsis-calcarea/Details |publisher=The Royal Horticultural Society |access-date=16 March 2021 }} In nature usually only the tips of the leaves would rise above the sand or dust. The tip would be covered with white, gray or pink irregular dots, to match local pebbles.{{cite book |last1= Turner | first1= R.J. Jr. | last2= Wasson | first2= Ernie | date= 1999 | title= Botanica | location= not stated | publisher= Barnes and Noble | page= 891 | ISBN= 0760716420 }}

German-South African botanist Rudolf Marloth described the species in 1926 as Mesembryanthemum calcareum, before Martin Heinrich Gustav Schwantes placed it in the genus Titanopsis.