''Crassula'' is a
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
succulent
In botany, succulent plants, also known as succulents, are plants with parts that are thickened, fleshy, and engorged, usually to retain water in arid climates or soil conditions. The word ''succulent'' comes from the Latin word ''sucus'', meani ...
plants containing about 200 accepted
species
A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...
,
[ including the popular jade plant ('']Crassula ovata
''Crassula ovata'', commonly known as jade plant, lucky plant, money plant or money tree, is a succulent plant with small pink or white flowers that is native plant, native to the KwaZulu-Natal and Eastern Cape provinces of South Africa, and Moz ...
''). They are members of the stonecrop family (Crassulaceae) and are native to many parts of the globe, but cultivated varieties originate almost exclusively from species from the Eastern Cape of South Africa.
Crassulas are usually propagated by stem or leaf cuttings. Most cultivated forms will tolerate some small degree of frost, but extremes of cold or heat will cause them to lose foliage and die.
Taxonomy
''Crassula'' was first formally described by Carl Linnaeus
Carl Linnaeus (23 May 1707 – 10 January 1778), also known after ennoblement in 1761 as Carl von Linné,#Blunt, Blunt (2004), p. 171. was a Swedish biologist and physician who formalised binomial nomenclature, the modern system of naming o ...
in 1753 with 10 species.
Etymology
The name crassula comes from the Latin adjective ''crassus'', meaning thick, referring to the thickening of the succulent leaves.
Selected species
*'' Crassula alata''
*'' Crassula alba''
*'' Crassula alpestris'' (Sand-Coated Crassula)
*'' Crassula alstonii''
*'' Crassula aquatica'' (common pigmyweed, water pygmyweed)
*'' Crassula arborescens'' (silver dollar plant, ''beestebul'')
*'' Crassula atropurpurea''
*'' Crassula ausensis''
**''Crassula ausensis'' ssp. ''titanopsis''
*'' Crassula barbata''
*'' Crassula barklyi'' (rattlesnake tail, ''wurmplakkie'')
*'' Crassula biplanata''
*'' Crassula brevifolia''
*'' Crassula capitella''
**''Crassula capitella'' ssp. ''thyrsiflora'' (''aanteel-poprosie'') 'Red Pagoda'
*'' Crassula clavata''
*'' Crassula closiana''
*'' Crassula colligata''
*'' Crassula colorata'' (dense stonecrop)
*'' Crassula columella'' (''silinderplakkie'')
*'' Crassula columnaris'' (''koesnaatjie'')
*'' Crassula connata'' (sand pygmyweed)
*'' Crassula corallina''
*'' Crassula cotyledonis''
*'' Crassula cultrata'' (''plakkiebos'')
*'' Crassula deceptor''
*'' Crassula decumbens'' (scilly pigmyweed)
*'' Crassula dejecta''
*'' Crassula deltoidea'' (silver beads, ''gruisplakkie'')
*'' Crassula elegans'' (elegant crassula)
*'' Crassula exserta''
*'' Crassula glomerata''
*'' Crassula helmsii'' (swamp stonecrop)
*'' Crassula lactea'' (tailor's patch, Knysna crassula)
*'' Crassula marnieriana''
*'' Crassula moschata'' (musky stonecrop, shore stonecrop)
*'' Crassula multicava'' (fairy crassula)
*'' Crassula muscosa'' (rattail crassula, watch chain, lizard's tail, zipper plant; syn. ''C. lycopodioides'')
*'' Crassula namaquensis''
**''C. namaquensis'' ssp. ''comptonii''
*'' Crassula natans''
*'' Crassula nudicaulis''
**''C. nudicaulis'' var. ''herrei''
**''C. nudicaulis'' var. ''platyphylla''
*''Crassula ovata
''Crassula ovata'', commonly known as jade plant, lucky plant, money plant or money tree, is a succulent plant with small pink or white flowers that is native plant, native to the KwaZulu-Natal and Eastern Cape provinces of South Africa, and Moz ...
'' ('jade' plant, 'money plant); syn. ''C. argentea'', ''C. portulacea''
**''C. ovata'' var. ''cristata''
**''C. ovata'' var. ''monstruosa''
**''C. ovata undulata'' ('ripple jade', 'wavy jade')
*'' Crassula peduncularis'' (purple stonecrop)
*'' Crassula pellucida''
**''C. pellucida'' var. ''marginalis''
*'' Crassula perfoliata''
** ''C. perfoliata'' var. ''falcata'' (propeller plant)
*'' Crassula perforata'' (string of buttons, ''sosatieplakkie'')
*'' Crassula picturata''
*'' Crassula pubescens'' (Jersey pigmyweed)
**''Crassula pubescens'' ssp. ''radicans''
**''Crassula pubescens'' ssp. ''rattrayi''
*'' Crassula rubricaulis''
*'' Crassula rupestris'' (rosary plant, kebab bush, concertina plant, ''sosatiebos'', ''inrygertjie'')
**''C. rupestris'' ssp. ''marnierana''
*'' Crassula sarcocaulis'' (bonsai crassula)
*'' Crassula sarmentosa''
*'' Crassula setulosa'' (South African pygmyweed)
*'' Crassula sieberiana'' (Austral stonecrop)
*'' Crassula subaphylla''
*'' Crassula tecta''
*'' Crassula tetragona''
*'' Crassula tetramera''
*'' Crassula thunbergiana''
*'' Crassula tillaea'' (moss pygmyweed)
*'' Crassula umbella''
List of selected cultivars
*''Crassula'' 'Buddha's Temple'
*''Crassula'' 'Coralita'
*''Crassula'' 'Dorothy'
*''Crassula'' 'Emerald'
*''Crassula'' 'Fallwood'
*''Crassula'' 'Hummel's Sunset'
*''Crassula'' 'Ivory Pagoda'
*''Crassula'' 'Justus Corderoy'
*''Crassula'' 'Morgan's Beauty'
*''Crassula'' 'Moonglow'
*''Crassula'' 'Petite Bicolor,' sometimes sold as '' Sedum'' 'Little Missy' or 'Mini Kitty', a cultivar of ''Crassula pellucida'' var. ''marginalis''["World of Succulents","Succulentopedia", Crassula 'Petite Bicolor', 2017. Online at https://worldofsucculents.com/crassula-petite-bicolor/] 'Calico Kitten'
*''Crassula'' 'Springtime'
*''Crassula'' 'Tom Thumb'
Gallery
File:Gardenology.org-IMG 0509 hunt07mar.jpg, '' Crassula arborescens''
File:Crassula capensis var. promontorii (Crassulaceae) (37441743980).jpg, '' Crassula capensis''
File:Crassula ciliata - CT 9.jpg, '' Crassula ciliata''
File:Crassula columnaris P1020356.JPG, '' Crassula columnaris''
File:Crassula cotyledonis (Crassula dubia) - San Luis Obispo Botanical Garden - DSC05962.JPG, '' Crassula cotyledonis''
File:Crassula cultrata kz1.JPG, '' Crassula cultrata''
File:Crassula tecta.jpg, '' Crassula deceptor''
File:Gardenology.org-IMG 0312 hunt07mar.jpg, '' Crassula deltoidea''
File:Crassula expansa (Crassulaceae) (36725108274).jpg, '' Crassula expansa''
File:Crassula fascicularis.JPG, '' Crassula fascicularis''
File:Crassula lanceolata subsp lanceolata - Cape Peninsula - 2.jpg, '' Crassula lanceolata''
File:Crassula multicava subsp. multicava 2017-05-31 2146 05.jpg, '' Crassula multicava''
File:Crassula hirta.jpg, '' Crassula nudicaulis''
File:Crassula orbicularis kz02.jpg, '' Crassula orbicularis''
File:A 40 year old jade plant (Crassula ovata).jpg, ''Crassula ovata
''Crassula ovata'', commonly known as jade plant, lucky plant, money plant or money tree, is a succulent plant with small pink or white flowers that is native plant, native to the KwaZulu-Natal and Eastern Cape provinces of South Africa, and Moz ...
''
File:Crassula pellucida forms - CT 6.jpg, '' Crassula pellucida''
File:Crassula perfoliata, Allan Gardens.jpg, '' Crassula perfoliata''
File:Starr-110218-1569-Crassula perforata-flowering habit-Ulana St Makawao-Maui (24449889633).jpg, '' Crassula perforata''
File:Crassula rubricaulis - South Africa.jpg, '' Crassula rubricaulis''
File:Crassula.rupestris.7076.jpg, '' Crassula rupestris''
File:Crassula streyi (17351859205).jpg, '' Crassula streyi''
File:Crassula tecta 04.jpg, '' Crassula tecta''
File:Crassula tetragona kz1.JPG, '' Crassula tetragona''
File:Crassula dichotoma (4).JPG, '' Crassula dichotoma''
References
Bibliography
* , ''see also'' Species Plantarum
' (Latin for "The Species of Plants") is a book by Carl Linnaeus, originally published in 1753, which lists every species of plant known at the time, classified into genus, genera. It is the first work to consistently apply binomial nomenclature ...
External links
*
{{Taxonbar, from=Q158253
Crassulaceae genera