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{{taxobox
|name = Crassulaceae
|image = Crassula_ovata_700.jpg
|image_caption = [[Jade plant]] or Friendship Tree, ''Crassula ovata''
|regnum = [[Plant]]ae
|unranked_divisio = [[Angiosperms]]
|unranked_classis = [[Eudicots]]
|unranked_ordo = [[Core eudicots]]
|ordo = [[Saxifragales]]
|familia = '''Crassulaceae'''
|familia_authority = [[A. P. de Candolle|DC.]]
|subdivision_ranks = Genera
|subdivision = ''many, see text''
|}}
[[File:Cotyledon orbiculata 3.jpg|thumb|Pig's Ear Flower (Cotyledon orbiculata)]]
The '''Crassulaceae''', or '''orpine family''', is a family of [[dicotyledon]]s. They store water in their [[succulent]] leaves. They are found worldwide, but mostly occur in the [[Northern Hemisphere]] and southern [[Africa]], typically in dry and/or cold areas where water may be scarce. The family includes about 1,400 species in 33 genera.
No member of this family is an important [[agriculture|crop]] plant, but many are popular for [[horticulture]]; many members have a bizarre intriguing appearance, and are quite hardy, typically needing only minimal care. Familiar species include the [[Jade plant]] or "friendship tree", ''Crassula ovata'' and "[[Kalanchoe blossfeldiana|Florists' Kalanchoe]]", ''Kalanchoe blossfeldia''.
Classification within the family is difficult because many of the species hybridize readily, both in the wild and in cultivation. Some older classifications included the Crassulaceae in the [[Rosales]], but newer schemes treat them in the order [[Saxifragales]].
== Genera ==
* ''[[Adromischus]]''
* ''[[Aeonium]]''
* ''[[Aichryson]]''
* ''[[Chiastophyllum]]''
* ''[[Cotyledon (genus)|Cotyledon]]''
* ''[[Crassula]]''
* ''[[Diamorpha]]''
* ''[[Dudleya]]''
* ''[[Echeveria]]''
* ''[[Graptopetalum]]''
* ''[[Greenovia]]''
* ''[[Hylotelephium]]''<!-- Image with unknown copyright status removed: [[image:hirtum.jpg|thumb|right|Flowering ''Sempervivum hirta'' subsp. ''hirta'' (syn. ''Jovibarba globiferum'' subsp. ''hirtum'')]] -->
* ''[[Hypagophytum]]''
* ''[[Jovibarba]]''
* ''[[Kalanchoe]]''
* ''[[Lenophyllum]]''
* ''[[Monanthes]]''
* ''[[Orostachys]]''
* ''[[Pachyphytum]]''
* ''[[Perrierosedum]]''
[[Image:Rosularia 05660.jpg|thumb|Rosularia flower]]
[[Image:Loch 4.jpg|thumb|right|''Sempervivum sobolifera'' (syn. ''Jovibarba globiferum'' subsp. ''globiferum''), [[Hen and chicks]]]]
* ''[[Phedimus]]''
* ''[[Pistorinia]]''
* ''[[Prometheum]]''
* ''[[Pseudosedum]]''
* ''[[Rhodiola]]''
* ''[[Rosularia]]''
* ''[[Sedum]]''
* ''[[Sempervivum]]''
* ''[[Thompsonella]]''
* ''[[Tylecodon]]''
* ''[[Umbilicus (genus)|Umbilicus]]''
* ''[[Villadia]]''
== References ==
* [[Urs Eggli]], ed. ''Illustrated Handbook of Succulent Plants: Crassulaceae'' (Springer, 2003) ISBN 3-540-41965-9
==External links==
*[http://succulentcity.org/crassulaceae-main.htm Crassulaceae page @ SucculentCity]
*[http://www.topwalks.net/plants/generos/crassulaceae_01.htm Crassulaceae in Topwalks]