Description: Perennial herb, lacking rhizomes, stems creeping or decumbent.
Flowers actinomorphic. Sepals 2 or 3, free. Petals 2 or 3, free, lanceolate. Stamens (1–3 or) 6, all fertile, very rarely 1 or more becoming staminodes, subequal; filaments usually glabrous; anther locules rounded, longitudinally dehiscent. Ovary oblong, more or less 3-sided, 2- or 3-loculed; ovules 2 per locule.
Capsule 2- or 3-valved. Seeds (1 or)2 or 3 per valve.
Distribution and occurrence: Native to America. c. 20 species. 1 species naturalized in NSW.
Text by Louisa Murray
Taxon concept: Flora of China Vol. 24.
Taxa not yet included in identification key