|Posted by Baja_Costero (Baja California - Zone 11b) on Feb 10, 2020 8:29 PM
This genus of small white-flowered succulents from the aloe tribe was resurrected in 2013 to absorb related former members of Haworthia, presumably based on evidence from genetic studies, as well as a few other plants which were shortly thereafter reseparated and are currently in Astroloba and Aristaloe. After a bit of subsequent adjustment to remove plants now classified as Haworthiopsis, it currently includes two distinctive species: T. pumila and T. marginata.
This genus is supposed to be closer to Gasteria (and Aristaloe, Astroloba, Gonialoe, and Haworthiopsis) than Haworthia, despite the differences in the flower. Presumably the relationships among members of this group will be clarified by further genetic studies.
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