Plants annual, ± densely brownish-villous (hairs multicellular). Stems 8–15[–90] cm. Leaves: stipules lanceolate to narrowly ovate, 5–10 × 2–4 mm; petiole 12–32 mm, ± densely villous; blade strongly asymmetric, ± ovate to ± cordate, (12–)15–90 × (11–)22–70 mm, base rounded to shallowly cordate on shorter side, rounded to cordate on longer one, margins shallowly or not lobed, crenate, ciliate, apex acute to acuminate, surfaces appressed-pilose. Peduncles 20–22 mm (in fruit); bracts linear to ovate. Flowers pinkish; staminate: tepals 2–4, outer 2 suborbiculate, 2–4 mm, inner 0–2, lanceolate, 4 mm; stamens 6–9[–22]; pistillate: tepals 5, oblong to obovate, 2 mm. Capsules 5–10 × 4–6 mm, larger wings deltate-rounded, 6–10 mm wide, smaller 2–5 mm wide.
A herb. It grows 90 cm tall. It has soft succulent stems. The leaves are oval and oblique. They are 3-10 cm long by 2-8 cm wide. They have shallow lobes along the edge. There are blunt teeth along the edge. They are dark green above and paler green underneath. The leaf stalks are pale pink and 9 cm long. The flowers are in groups and are white with red tinges. The fruit are oval and 1.5 cm across.