Leaves solitary or occasionally paired; petiole 0.8–5 cm long, ± narrowly winged distally; lamina 4–15 × 2–7 cm, lanceolate to ovate-elliptic, base cuneate and attenuate into the petiole, apex acute to acuminate, usually entire, sometimes sinuate-dentate, sparsely pubescent or early glabrescent.
Cymes lateral, unbranched, lax, extended, (6)8–12(16)-flowered; peduncles 10–30 mm long, erect; rhachis 3–10 mm long, up to 14 mm in fruit; pedicels 3–6 mm long in flower, up to 9 mm and usually reflexed in fruit.
Calyx 1.3–2.5 mm long, campanulate, in fruit somewhat enlarged, pubescent; lobes 0.5–1 mm long and wide, enlarging to 1.25–2 mm in fruit and becoming reflexed.
Erect or spreading annual herb up to 0.4–1.5 m tall, spreading to 2 m, glabrescent to moderately pubescent with eglandular appressed and spreading hairs.
Corolla white, occasionally tinged purple, 3.5–5.5 mm across, stelliform; lobes 2–2.8 × 1.2–1.5 mm.
Fruits dark purple to black, 4–6 mm in diameter, globose, with small sclerotic granules.
Style 3–6 mm long, exserted 1–2 mm above the anthers and often geniculate.
Branches slightly ridged, the ridges smooth or inconspicuously dentate.
Stamen filaments 0.5–1 mm long; anthers 1.5–2 mm long, oblong.
Seeds 1.25–1.5 mm long, ± ovate in outline, pitted.