Stipules or stipular scars absent (stipules present in one species).
Inflorescences erect, cauliflorous or terminal, consisting of few-flowered umbels or branched racemes;
Flowers male and female, or bisexual.
Ovaries 2-8 per flower, sessile.
Asia-Tropical: New Guinea endemic
Malesia: 4 species, all endemic to New Guinea.
Of two species the fruit is not yet known. The series is characterized by large leaves with leaflets drying chestnut-brown and with strong raised densely reticulate veins.
See for the Keys to the species: 1: flowering, and 2: fruiting material).