rhizomatous herbs, rhizomes aromatic, creeping, much branched. Leaves distichous, ensiform, base equitant, petioles
absent, parallel-nerved. Inflorescence a dense-flowered spadix, cylindric,
peduncle leaf-like. Spathe much longer than spadix, erect, persistent, appearing merely as vertical
extension of the leaf-like peduncle. Flowers bisexual, with peringone, densely
arranged, bractless. Tepals 6, 2-whorled, orbicular, concave, tips
incurved. Stamens 6, filaments linear,
flat, anthers reniform, cells confluent above, slits extrorse. Ovary conical,
2-3 celled, stigma minute, ovules many, orthotropous. Fruit a few-seeded berry. Seeds oblong.