Shrub to 1 m. or so, glabrous; branchlets slightly compressed, then slightly 4-angular.. Leaves opposite to alternate; petiole 0–2 mm. long; lamina dull green to yellow-green, fleshy, ovate to ovate-elliptic or obovate, 3–8 cm. long, 2–6 cm. wide, obtuse or rounded at the apex, cuneate to attenuate to slightly cordate at the base, 3–5(–7)-nerved from a little above the base.. Umbels 1–several, mostly at older nodes, 2–4-flowered; peduncle 1–2 mm. long; pedicels 1 mm. long; bract cupular with a small ovate-triangular limb, 1–2.5 mm. long.. Receptacle 1.5 mm. long.. Calyx tubular, 2–2.5 mm. long.. Corolla 1.8–3.3 cm. long, pink, lobes green with upper two-thirds red, or sometimes all cream or greenish cream; apical swelling of bud slightly clavate, 3–5 mm. long, 1.7–2 mm. in diameter, apiculate, slightly 5-angled to sutures above and to keels below; basal swelling 0; lobes erect, 6–11 mm. long, keeled, upper two-thirds linear-oblanceolate, apiculate, slightly hardened inside.. Filaments yellow-green or cream, inflexed, slightly corrugated, last 1.5–2 mm. thinner and smooth; anther 2–3.5 mm. long.. Style slender, minutely papillate opposite the upper part of corolla-tube, green above; stigma depressed-globose, 0.8 mm. across, red.. Berry pink to red, obovoid-ellipsoid, 7–8 mm. long, 4–5 mm. in diameter, with persistent calyx.