Leaves usually basal, petioled or subpetioled linear to oblanceolate or lanceolate, many-nerved. Inflorescence a spike or raceme. Flowers solitary or fascicled in the axil of each bract. Ovary superior, sessile, ovoid to subglobose, 3-4-celled; Ovary wall rupturing early in the growth of the seeds which are therefore exposed during most of their development. Seeds black, globose or slightly elongate, with fleshy testa;
Asia-Temperate, Asia-Tropical, Japan present, N. Philippines present, North Malesia present
About 5 spp., in Japan, China, Indo-China and North Malesia: N. Philippines.