Crassula kimnachi 'Buddha's Temple' [Family: Crassulaceae] - Hybrid of Crassula pyramidalis and Crassula perfoliata v. falcata (or var. Hybridized by Myron Kimnach in Synonyms: Crassula deceptor cv 'Kimnachii'
You don't wish to allow the plant sit in it. These plants do not grow below the exact conditions with respect to water, sunlight, etc. There are a number of plants you may bring into your house without realising they're poisonous to cats.