unusual frilled flower with extra-large white petals and bloom. Flower width 4.7–6.7 cm, length 6.2–7.8 cm Flower is infertile.
PVJ 12(3): 51–52. (1999)
phylloclade width 2.4–4.8 cm, length 3.2–6.2 cm with very upright growth. The frilled- petal factor is not always stable. 'Aspen' is a chemically induced mutation of 'Bridgeport'. Probably colchicine or similar chemical that induces polyploidy.