Kewensis '케웬시스'
"Large open rosette about 10-12 cm across, of broad obovate leaves light olive green with silvery blue bloom, margins tinted pink and blunt apex tipped with red cusp; pinkish-red flowers tipped with yellow, on pink stems“ (Exotica, p. 889, 883).
As fas as we know, this plant is no longer in cultivation. / A notre connaissance, cette plante n'est plus en culture.