Aciotis D. Don
Neotropical; restricted to tropical America, southern Mexico and the Lesser Antilles to central Bolivia and southeastern Brazil
Aciotis acuminifolia (Mart. ex DC.) Triana is mainly available through hobbyists and rarely commercially available.
amphibious herbs to subshrubs
Annual or perennial; typically stoloniferous. Stems ± square, sometimes with conspicuous wings; glabrous or with glandular trichomes. Leaves opposite, decussate, petiolate; leaf blade ovate to elliptic or oblong; apex acuminate to obtuse; base attenuate to cordate; margin serrulate; venation parallel with 3-7 main lateral veins. Inflorescense a cyme, panicle, or thyrse. Flowers actinomorphic; sepals 4, apically free and basally connate; petals 4, free, white to pinkish, terminal glandular trichome often present. Stamens 8, anthers white to purple.
disturbed habitats, wetlands, creeks, and swamps; less often in primary forests or dry sandy areas