Rhombophyllum rhomboideum

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

{{Speciesbox

|image=

|genus=Rhombophyllum

|species=rhomboideum

|authority=(Salm-Dyck) Schwantes

|synonyms_ref=

|synonyms=

• Bergeranthus rhomboideus (Salm-Dyck) Schwantes
• Mesembryanthemum rhomboideum Salm-Dyck
• Mesembryanthemum scapigerum Eckl. & Zeyh.

}}

Rhombophyllum rhomboideum, the diamond-leaved rhombophyllum, is a species of flowering plant in the family Aizoaceae, native to the eastern Cape Provinces of South Africa.{{cite web |url=http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:364165-1 |title=Rhombophyllum rhomboideum (Salm-Dyck) Schwantes |author= |website=Plants of the World Online |publisher=Board of Trustees of the Royal Botanic Gardens, Kew |access-date=1 April 2021 }} A succulent, it has gained the Royal Horticultural Society's Award of Garden Merit.{{cite web |title=Rhombophyllum rhomboideum diamond-leaved rhombophyllum |url=https://www.rhs.org.uk/Plants/15829/Rhombophyllum-rhomboideum/Details |publisher=The Royal Horticultural Society |access-date=1 April 2021 }}