The Families Of Flowering Plants
Asphodelaceae
(Aloe Family)
CLASSIFICATION
Dahlgren et al. (1985) divided the Monocotyledons into several superorders of which the Liliiflorae is the largest. The order Asparagales is the largest of the five orders within Liliiflorea. One of the families within Asparagales recognized by Dahlgren and his co-workers was Asphodelaceae (Chase et al. (2000). Asphodelaceae consists of the sub-families, the Asphodeloideae and the Alooideae. The Alooideae consists of six genera of which Aloe is the largest. The sub-family Alooideae are noted for their spectacular secondary growth, a characteristic used to define the Alooideae as monophyletic. On the other hand, some workers within the taxa have considered the above two subfamilies were for sometime, considered to be separate families, the Asphodelaceae and Alooideae (Dagne and Yenesaw 1994). Determining the proper phylogeny was difficult because some authors have argued that Aspodeloideae is not a monophyletic group. Also, the......
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