Carruanthus ringens

{{Short description|Species of succulent}}

{{Speciesbox

|image = Carruanthus ringens mid shot Berlin Bot. Gdn.jpg

|image_caption = Carruanthus ringens in bloom

|genus = Carruanthus

|species = ringens

|authority = (L.) Boom

}}

Carruanthus ringens (syn. Carruanthus caninus) is one of only two species belonging to the genus Carruanthus (family Aizoaceae).[http://www.theplantlist.org/tpl/search?q=Carruanthus Carruanthus ringens PlantList], accessed August 2012 It has gained the Royal Horticultural Society's Award of Garden Merit.{{cite web|title=AGM Plants March 2020 © RHS – ORNAMENTAL |date=March 2020 |website=rhs.org.uk |url=https://www.rhs.org.uk/plants/pdfs/agm-lists/agm-ornamentals.pdf |publisher=The Royal Horticultural Society |accessdate=11 September 2020 }}

Carruanthus ringens, like Carruanthus peersi, is a species native to South Africa.[http://www.succulentguide.com/cactus/?genus=Carruanthus&PHPSESSID=5ada38d5ec7063fd64221623ca674bb8 Carruanthus], Succulent Guide, accessed August 2012

Carruanthus ringens grows to a height of 20 cm.{{cite web |title=Carruanthus caninus |url=http://www.plantdatabase.ie/Carruanthus_caninus |archive-url=https://archive.today/20130217201100/http://www.plantdatabase.ie/Carruanthus_caninus |url-status=dead |archive-date=17 February 2013 |publisher=plantdatabase.ie |accessdate=3 January 2013 }} This succulent is drought tolerant and grows best in soils of pH 6 and 8. If kept completely dry it will withstand mild frost. Like a number of other plants belonging to the Aizoaceae, the species has flowers which bear a superficial similarity to those of dandelions (species in the unrelated genus Taraxacum of the Asteraceae).