petals are orange red with a white throat and base (described as bright purple pink in the patent which could be attributed to temperature sensitivity. Petals end in a sharp tip. Tube was not described in the patent, but the patent picture shows it as off white. stamens are creamy white with light yellow pollen coated anthers. A magenta style and lighter magenta stigma is held just above the anthers. Flower count is 1-2 per floral phylloclade. Buds are bright reddish purple at a 1 cm. length. The zygomorphic flowers bloom mid-season.
growth habit is semi-erect. Phylloclades are long and wide with shallow notching. Dentitions are a normal size, averaging 3 per marginal edge to the apex. Note: Compared to 'Super Keniger', the 'Arcadia' flower is shorter in length and a distinctive orange red. Note: 'Norris' ('Noris'), 'Super Keniger' ('Königer's Orange').