Convolvulus angustissimus

Perennial herb with trailing and twining stems. Leaves variable in shape and size, basal leaves petiolate, blade ovate to oblong, sometimes triangular or linear, 5–35 mm long, 2–15(–20) mm wide, apex acute or obtuse, base tapering to cordate, margin entire, undulate, irregularly crenate or shallowly lobed, moderately hairy to more or less glabrous; petiole 2–20 mm long. Flowers 1 or rarely 2; peduncles 4–50 mm long; pedicels 3–23 mm long, recurved in fruit; bracteoles linear to narrowly ovate, 1–4 mm long; sepals obovate to elliptic, (3.5–)4–6.5 mm long, glabrous or ciliate; corolla funnel-shaped, 9–25 mm long, pink, rarely white. Capsule globose to globose-ovoid, 4–7.5 mm diam., style-base persistent; seeds finely punctate, reticulate or smooth, glabrous. Flowers mostly Sep.–Apr.