Greek epi – on, premnon – trunk, referring to the epiphytic habit.
Lianes with sticky roots on the stems. Leaves entire or divided pinnately, secondary veins parallel; stalks long, jointed near attachment to blade. Spathe opening in entirety when mature then soon shed. Spadix thick, with bisexual flowers. Stamens 4. Perianth absent. Ovaries 1-chambered with mostly 2-4 ovules per chamber. Fruit with 1-8 seeds.
Rarely flowering outside except in the tropics and generally only known in the juvenile foliage phase when grown as indoor plants in pots and hanging baskets.
About 15 species from SE Asia to the W Pacific.
A few species have medicinal properties.
Leaf blade more or less ovate, variegated pale green and yellow usually simple when young, pinnately lobed or divided or with holes when adult.
Hay et al. (1995).
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.