Crassula is a large genus

Genus

In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of succulent plants containing many species

Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

, including the popular Jade Plant

Jade plant

Commonly known as jade plant, friendship tree, lucky plant or Money Plant, Crassula ovata is a succulent plant with small pink or white flowers. It is native to South Africa, and is common as a houseplant worldwide...

, Crassula ovata. They are native to many parts of the globe, but cultivated varieties are almost exclusively from the Eastern Cape of South Africa

South Africa

The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...

.

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.

Selected species

• Crassula alba
• Crassula alpestris
• Crassula aquatica
  Crassula aquatica
  Crassula aquatica is a succulent plant known by the common names water pygmyweed and common pygmyweed. It is an annual plant of salt marshes, vernal pools, wetlands, and other fresh to brackish water bodies. It is at least partially aquatic, living in areas which are submersed much of the time...
  
   (Common Pigmyweed, Water Pygmyweed)
• Crassula arborescens
  Crassula arborescens
  Crassula arborescens, the silver dollar plant, is a species of succulent plant in the Crassulaceae family. It is an endemic plant of the Western Cape, South Africa. It is a succulent shrub. It has round gray "Silver Dollar" leaves. It blooms in winter, with white to light pink flowers...
  
   (Silver Dollar Plant, Beestebul)
• Crassula ausensis
  • Crassula ausensis ssp. titanopsis
• Crassula bakeri
• Crassula barklyi (Rattlesnake Tail, Wurmplakkie)
• Crassula capitella
  • Crassula capitella ssp. thyrsiflora (Aanteel-Poprosie)
• Crassula clavata
• Crassula coccinea
• Crassula columella (Silinderplakkie)
• Crassula columnaris (Koesnaatjie)
  
• Crassula colorata
  Crassula colorata
  Crassula colorata is an annual plant in the family Crassulaceae. The species is endemic to Australia, occurring in Western Australia, South Australia, New South Wales and Victoria....
  
   (Dense Stoncrop)
• Crassula connata
  Crassula connata
  Crassula connata is a succulent plant known by the common names sand pygmyweed and pygmy stonecrop. It is a very small plant which grows in patches on the ground, especially in rocky areas. It is also sometimes associated with vernal pool plant communities. The stems are a few centimeters in length...
  
   (Sand Pygmyweed)
• Crassula corallina 
  
• Crassula cornuta
• Crassula cultrata (Plakkiebos)
• Crassula decidua (Norsveld Plakkie)
• Crassula decumbens (Scilly Pigmyweed)
• Crassula dejecta
• Crassula deltoidea (Silver Beads, Gruisplakkie)
• Crassula drummondii (Small-leaf Pygmyweed, Smallleaf Pygmyweed)
• Crassula dubia
• Crassula elegans
  Crassula elegans
  Crassula elegans, the Elegant Crassula, is a flowering plant species in the genus Crassula.Subspecies are:* Crassula elegans ssp. elegans Schoenl. & Baker f.* Crassula elegans ssp. namibensis Toelken...
  
   (Elegant Crassula)
• Crassula erosula
• Crassula exilis
  • Crassula exilis ssp. sedifolia
• Crassula falcata
  Crassula falcata
  Crassula falcata, known by the common names airplane plant and propeller plant, is a succulent plant endemic to South Africa, from the Cape of Good Hope. The foliage is gray-green with striking texture, on plants that grow to tall. The flowers are tiny and scarlet red, that rise in dense clusters...
  
  
• Crassula garibina
• Crassula gillii 
  
• Crassula globularioides
• Crassula helmsii
  Crassula helmsii
  -Origins:Originally found in Australia and New Zealand, it has been introduced around the world. In the UK it is considered an invasive species.-Description:...
  
   (Swamp Stonecrop)
• Crassula herrei
• Crassula hirtipes
• Crassula humbertii
• Crassula hystrix
• Crassula lactea (Tailor's Patch, Krysna Crassula)
• Crassula longipes (Smallseed Pygmyweed)
• Crassula marchandii
• Crassula marnierana
• Crassula mesembryanthemoides
• Crassula mesembryanthemopsis
• Crassula milfordiae
• Crassula moschata
• Crassula multicava
  Crassula multicava
  Crassula multicava is a perennial succulent plant from the family Crassulaceae. It is also known under various common names including the fairy crassula, pitted crassula and London pride....
  
   (Fairy Crassula)
• Crassula muscosa (Rattail Crassula, Watch Chain, Lizard's Tail, Zipper Plant)
• Crassula namaquensis
  • Crassula namaquensis ssp. comptonii
• Crassula nealeana
• Crassula nudicaulis 
  
  • Crassula nudicaulis var. herrei
  • Crassula nudicaulis var. platyphylla
• Crassula obovata
  • Crassula obovata var. dregeana
• Crassula orbicularis

• Crassula ovata (Jade Plant)
  • Crassula ovata var. cristata
• Crassula parvisepala
• Crassula pedicellosa
• Crassula pellucida
  • Crassula pellucida var. marginalis
• Crassula pentandra
• Crassula perfoliata
• Crassula perforata (String of Buttons, Sosatieplakkie)
• Crassula picturata
  Crassula picturata
  Crassula picturata is a species of plant in the Crassulaceae family, native to Cape Province in South Africa. It is a stemless plant with triangular, dark green leaves measuring approximately 10-12 cm long by 1 cm wide.-References:*...
  
  
• Crassula plegmatoides
• Crassula pruinosa (Skurwemannetjie)
• Crassula pubescens (Jersey Pigmyweed)
  • Crassula pubescens ssp. radicans
  • Crassula pubescens ssp. rattrayi
• Crassula pyramidalis 
  
• Crassula radicans (Red Carpet)
• Crassula rogersii
• Crassula rupestris (Rosary Plant, Kebab Bush, Concertina Plant, Sosatiebos, Inrygertjie)
  • Crassula rupestris ssp. marnierana
• Crassula saginoides (Wrinkle-seed Pygmyweed, Wrinkleseed Pygmyweed)
• Crassula sarcocaulis (Bonsai Crassula)
• Crassula sarmentosa
• Crassula schmidtii
• Crassula sericea
  • Crassula (sericea var. ) hottentotta
• Crassula sieberiana (Siberian Pygmyweed)
• Crassula socialis
• Crassula solierii (Smoothseed Pygmyweed)
• Crassula streyi 
  
• Crassula susannae
• Crassula tecta
• Crassula tetragona
  Crassula tetragona
  Crassula tetragona is a succulent plant native to Southern Africa. It is widely distributed from the Orange River boundary of Namaqualand to beyond the Kei River in the Eastern Cape. This species could have been introduced in 1711, but accounts are not clear. "Tetragona" comes from the...
  
  
• Crassula tillaea
  Crassula tillaea
  Crassula tillaea is a succulent plant known by the common name moss pygmyweed. It is a small fleshy plant growing only a few centimeters in height. It is green when new and gradually turns orange and then deep red when mature. It has tiny triangular pointed leaves only a few millimeters long...
  
   (Moss Pygmyweed)
• Crassula viridis (Pricklyseed Pygmyweed
• Crassula volkensii

Notable cultivars

• Crassula 'Buddha's Temple'
• Crassula 'Coralita'
• Crassula 'Dorothy'
• Crassula 'Fallwood'
• Crassula 'Ivory Pagoda'
• Crassula 'Justus Corderoy'
• Crassula 'Morgan's Beauty'
• Crassula 'Tom Thumb'