Juncago Séguier.

Herbs, perennial or annual, of marshes, with short stout stems. Rhizomes densely rooting at nodes. Flowers hermaphroditic, in racemes on leafless scapes. Perianth segments 6. Stamens 6. Carpels 6, all or only 3 fertile, connate; stigmas feathery. Fruit syncarpous.

About 15 species: widely distributed in temperate and cold regions of both hemispheres; two species in China.