Rhizomes brown to whitish, stoloniferous. Stems erect. Leaves basal and cauline, blade linear. Inflorescences: bracts present. Flowers: tepals with adaxial crest of moniliform trichomes; stamens 6, shorter than tepals; ovary half-inferior to nearly superior, 1-locular distally with 3 parietal placentae and 3-locular proximally with axile placentae; ovules numerous in each locule, arranged in several vertical rows. Capsules ± globose or ovoid. Seeds thin, elongate, variously curved, many per locule; seed coat reticulate; hilum basal.