climbing shrubs, with anchor and feeder roots. Leaves large, distichous, often
oblique, perforate or pinnately lobed, rarely entire, petiole sheathing,
geniculate. Inflorescence solitary to several together, peduncle relatively
short. Spathe boat-shaped, thick, coriaceous, deciduous. Spadix sessile to
stipitate, cylindric, dense-flowered, shorter than spathe. Flowers bisexual,
perianth absent. Stamens 4-6, filaments linear, flattened, anther-cells oblong,
divergent, dehiscence extrorse. Ovary 1-imperfectly 2-locular, ovules few-many,
anatropous, stigma rounded or oblong, style conical. Fruit a berry, usually many-seeded.
Seeds small, oblong to reniform.