Annual herb to 45 cm long, erect to prostrate; stems branched, angled, often rooting at nodes, glabrous to densely glandular-puberulent. Petiole filiform, 2-15 mm long; stipules membranous, multilacerate, to 2 mm long; blade orbicular, ovate-orbicular or reniform, 5-25 x 5-30 mm, obtuse or acute and mucronulate at apex, round to cordate at base, glabrous or puberulent. Inflorescences terminal or axillary, few-flowered dichasial cymes, lax; pedicels 2-15 mm long, densely stipitate-glandular puberulent. Sepals 5, ovate, oblong-lanceolate or lanceolate, 2.5-3.5 mm long, glabrous except for stipitate-glandular puberulent midvein; petals 5, white, deeply clawed and bifid, shorter than calyx, 2-3 mm long, lobes linear; stamens 2-3(-5), filaments ca. 2 mm long; ovary ovoid, styles 3, 0.5-1 mm long. Capsule ovoid, slightly shorter than calyx, 1.5-2.5 mm long, shortly pedicellate; seeds 1-12, cochleate, 1.0-1.5 mm long, dark reddish-brown or black, densely tuberculate in lines.
Guianas present, tropics and subtropics of Old and New Worlds present
Widely distributed in the tropics and subtropics of Old and New Worlds; 24 collections studied, all from the Guianas (GU: 4; SU: 10; FG: 10).
Creole (French Guiana): mignonette, petit quinine, timignonette; English (Suriname): piki fowroesopo