以前的分类法一直将这个植物分在百合科中,2003年根据基因亲缘关系分类的APG II 分类法将其单独列为一个科,但仍然认为可以选择性地和天门冬科或龙舌兰科合并。
英语百科
Hesperocallis 西丽草科
Hesperocallis is a genus of flowering plants that includes a single species, Hesperocallis undulata, known as the desert lily or ajo lily.
It is found in the desert areas of southwestern North America, in Northwestern Mexico, California, and Arizona. The plant grows in Mojave Desert and Sonoran Desert habitats.