The erect stems arise from tubers, the inflorescence bears one to seven dull coloured and short-lived flowers. The flower stem elongates considerably prior to seed shedding. Some species are saprophytes. In New Guinea the ten described species occur from near sea level to around 1500 m above sea level. Their habitats range from open tall grasslands, secondary regrowth to tall rain forests.
Plants grow in sandy loams or humus, often subject to seasonal desiccation.
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