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''Crassula'' is a large genus of succulent plants containing many species, including the popular jade plant, ''Crassula ovata''. They 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. ==Selected species== *''Crassula alba'' *''Crassula alpestris'' *''Crassula alstonii'' *''Crassula anomala'' *''Crassula aquatica'' (common pigmyweed, water pygmyweed) *''Crassula arborescens'' (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'' (dense stonecrop) *''Crassula connata'' (sand pygmyweed) *''Crassula corallina'' *''Crassula cornuta'' *''Crassula cotyledonis'' *''Crassula cultrata'' (''plakkiebos'') *''Crassula decidua'' (''norsveld plakkie'') *''Crassula decumbens'' (scilly pigmyweed) *''Crassula dejecta'' *''Crassula deltoidea'' (silver beads, ''gruisplakkie'') *''Crassula drummondii'' (small-leaf pygmyweed) *''Crassula dubia'' *''Crassula elegans'' (elegant crassula) *''Crassula erosula'' *''Crassula exilis'' * *''Crassula exilis'' ssp. ''sedifolia'' *''Crassula falcata'' *''Crassula garibina'' *''Crassula gillii'' *''Crassula globularioides'' *''Crassula helmsii'' (swamp stonecrop) *''Crassula herrei'' *''Crassula hirtipes'' *''Crassula humbertii'' *''Crassula hystrix'' *''Crassula lactea'' (tailor's patch, Knysna crassula) *''Crassula longipes'' (smallseed pygmyweed) *''Crassula marchandii'' *''Crassula marnieriana'' *''Crassula mesembryanthemoides'' *''Crassula mesembryanthemopsis'' *''Crassula milfordiae'' *''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'' * *''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; syn. ''C. argentea'', ''C. portulacea'') * *''Crassula ovata'' var. ''cristata'' * *''Crassula ovata'' var. ''mostruosa'' *''Crassula parvisepala'' *''Crassula pedicellosa'' *''Crassula pellucida'' * *''Crassula pellucida'' var. ''marginalis'' *''Crassula pentandra''〔Bussmann, R. W., et al. (2006). (Plant use of the Maasai of Sekenani Valley, Maasai Mara, Kenya. ) ''J Ethnobiol Ethnomed'' 2 22.〕 *''Crassula perfoliata'' *''Crassula perforata'' (string of buttons, ''sosatieplakkie'') *''Crassula picturata'' *''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) *''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 deceptor'' *''Crassula susannae'' *''Crassula tecta'' *''Crassula tetragona'' *''Crassula tillaea'' (moss pygmyweed) *''Crassula viridis'' (pricklyseed pygmyweed) *''Crassula volkensii'' 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Crassula」の詳細全文を読む スポンサード リンク
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