The genus is characterized by one autoapomorphic character, the separation of anther thecae by a bifid connective, and the combination of small to medium-sized stems, bifid simple leaf blades, floral ...
Subtribe Oncospermatinae (Arecaceae: Arecoideae: Areceae) is a diverse group of spiny Old World palms. The subtribe includes Oncosperma, a widespread Asian genus of five species, along with seven ...