Herbs, perennial. Stems prostrate [or ascending], much-branched, indumentum of simple hairs. Leaves opposite, petiolate; blade linear to lanceolate, spatulate, or ovate, margins entire; basal leaves withering. Inflorescences axillary, sessile, few-flowered glomerules; bracts and bracteoles membranous. Flowers bisexual; tepals 5, connate proximally ± 1/2 its length, 1-veined; stamens 5; filaments connate basally into tube, tube adnate to calyx distally; anthers 2-locular; pseudostaminodes absent; ovule 1; style 1, ca. 0.2 mm; stigmas 2-lobed, capitate. Utricles broadly ovoid, membranous, indehiscent. Seeds 1, red-brown, lenticular-orbicular.

Distribution

North America, Mexico, West Indies.

Discussion

Species 5 (1 in the flora).

Selected References

Henrickson, J. 1987. A taxonomic reevaluation of Gossypianthus and Guilleminea (Amaranthaceae). Sida 12: 307–337.

Mears, J. A. 1967. Revision of Guilleminea (Brayulinea) including Gossypianthus (Amaranthaceae). Sida 3: 137–152.

Lower Taxa

Guilleminea densa