Roepera ovata

Erect or ascending annual herb to c. 25 cm high. Leaves 5–15 mm long, green; leaflets continuous with petiole, linear to narrow-oblong, 4–10 mm long, 1–5 mm wide, spreading, apex usually slightly emarginate. Sepals 4, ovate-lanceolate, 1–2 mm long, spreading in fruit; petals 4, obovate to oblanceolate, 1–1.5 mm long, apex acute, white; stamens 8, filaments slightly flattened near base but not winged. Fruiting pedicels 2–3 mm long; fruit a 4-angled loculicidal capsule, ellipsoid, 6–8 mm long, drooping, rounded at apex with a short point; seeds usually 2 per cell. Flowers mostly Jul.–Oct.