Stems trailing, to c. 1 m long or more, tender, sparsely covered with small retrorse prickle-like setae. Leaves ovate to broad-ovate, mostly 2–7 cm long, 1–6 cm wide, apex mucronate, base cuneate to obtuse, margins often undulate with small prickle-like setae, upper surface moderately covered with tubercle-based hairs, lower surface with hairs on veins only; petioles mostly 5–10 mm long. Pedicels 10–25 mm long, elongating in fruit; sepals ovate, 2–2.5 mm long, acute; corolla 2–4 mm long, glabrous except for papillose 2-lobed scales in throat, white, pale blue or pale mauve, tube more or less as long as the obtuse lobes; anthers to c. 0.3 mm long. Mericarps obovoid, 2–3.5 mm long, attached to gynobase by a short funicle, densely spiny, pale brown; spines more or less equally scattered on the flattened outer surface. Flowers mainly Oct.–Apr. (but sporadically throughout the year).