ha·wor·thi·a 
(hô-wûrthē-ə, -thē-)
(hô-wûrthē-ə, -thē-)n.
Any of numerous succulent South African plants of the genus Haworthia, having thick fleshy leaves usually clustered in tight rosettes, and often cultivated as houseplants.
[New Latin Haworthia, genus name, after Adrian Hardy Haworth (1767-1833), British botanist.]