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Asphodeloideae
Asphodeloideae is a subfamily of the monocot family Xanthorrhoeaceae in the order Asparagales. It has previously been treated as a separate family, Asphodelaceae. The subfamily name is derived from the generic name of the type genus, ''Asphodelus''. Members of group are native to Africa, central and western Europe, the Mediterranean basin, Central Asia and Australia, with one genus (''Bulbinella'') having some of its species in New Zealand. The greatest diversity occurs in South Africa.
The genera ''Aloe'', ''Asphodelus'', and ''Kniphofia'' are perhaps best known from their use in horticulture as ornamental plants.
== Characters of Asphodeloideae==
The Asphodeloideae are distinguished by a general presence of anthraquinones, simultaneous microsporogenesis, atypical ovules morphology, and the presence of an aril. Asphodeloideae also have a characteristic secondary growth by means of a secondary thickening meristem.〔 This character, however, is also found in other taxa in the Asparagales, including Agavaceae, Iridaceae, and Xanthorrhoeoideae. It is confined to Asparagales among the monocots and is believed to have evolved independently in most families.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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