zygomorphic mauve-pink flowers have a prominent white center and base. Petals are elliptical with sharply tipped apexes.Tubes are white. Style and stigma are magenta red. White filaments carry anthers coated with pale, cream colored pollen.
phylloclades are medium green with 2-3 forward facing, sharply pointed dentations along each side up to the apex. Note: 'Isabella' is not to be confused with the Danish cultivar 'Thor Isabella' which is a carmen-pink color or the English hybrid from Whitestone Gardens, 'Isabelle', also a carmen-pink hue.