Plants to 1 m or more tall although the cultivars are generally much smaller. Leaves to 30-40 cm long and 20 cm wide, slightly tapered at the tip, cordate at the base, variously variegated in the cultivars; stalk sheath covering more than half the stalk. Spathe about 16 cm long. Spadix with female flowers with club-shaped sterile stamens. Syn. D. maculata (Lodd.) G. Don, D. picta Schott.
Most plants available are cultivars of this species, with a few of these described below. Plants formerly placed in D. maculata are now considered as variants of this species.
Tropical America.
Source: (2005). Araceae. In: . Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press.
Dieffenbachia seguine 'Amoena'
Large plants to 2 m or more tall with large, white-veined leaves. Syn. D. amoena misapplied.
Dieffenbachia seguine 'Exotica'
Is also listed.
Dieffenbachia seguine 'Maculata'
Upper surface and leaf stalks with white or yellow spots mostly away from the margins and midrib.
Dieffenbachia seguine 'Rudolph Roehrs'
Leaf midrib and margins green, leaf surface splotched creamy white and grey-green.
Dieffenbachia seguine 'Superba'
Leaves blotched creamy white.