Convolvulus arvensis

Perennial with trailing and twining stems, more or less glabrous to sparsely hairy with ascending hairs. Mid-stem leaves ovate to lanceolate or narrowly triangular in outline, 1–6 cm long, 3–30 mm wide, apex acute to obtuse, mucronate, base hastate or sagittate, basal lobes entire, to c. 1 cm long, glabrous or sparsely hairy; petiole 5–25 mm long. Flowers 1–3; peduncles 20–40 mm long; pedicels 5–15 mm long, shorter than peduncles; bracteoles linear, 2–4 mm long; outer sepals more or less oblong, 3–4 mm long, rounded or retuse, glabrous or sparsely hairy; inner sepals suborbicular; corolla funnel-shaped, 15–30 mm long, white or pink. Capsule globose, 4–6 mm diam., style-base persistent; seeds granular, glabrous. Flowers mainly spring and summer.