(Agave howardii)
olianthes is a formerly recognized genus of plants in family Asparagaceae, subfamily Agavoideae. molecular phylogenetic studies showed that Polianthes is embedded within the larger genus Agave, which has been expanded to include it. One of its former members is the tuberose, Agave amica, formerly Polianthes tuberosa, a plant that is commonly used in perfume making